Home / 1,750,298.30-2,625,447.45-420,602.30

Finding the Fourth Proportional to 1,750,298.30, 2,625,447.45 and 420,602.30

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Solution

The fourth proportional to 1,750,298.30, 2,625,447.45 and 420,602.30 is: 630,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,298.30 : 2,625,447.45 = 420,602.30 : x
  2. Step 2: Convert to fraction form
    1,750,298.30/2,625,447.45 = 420,602.30/x
  3. Step 3: Cross multiply
    1,750,298.30x = 2,625,447.45 × 420,602.30
  4. Step 4: Simplify right side
    1,750,298.30x = 1,104,269,235,999.14
  5. Step 5: Solve for x
    x = 1,104,269,235,999.14/1,750,298.30
  6. Step 6: Final answer
    x = 630,903.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.