Home / 1,750,340.10-2,625,510.15-420,644.10

Finding the Fourth Proportional to 1,750,340.10, 2,625,510.15 and 420,644.10

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Solution

The fourth proportional to 1,750,340.10, 2,625,510.15 and 420,644.10 is: 630,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,340.10 : 2,625,510.15 = 420,644.10 : x
  2. Step 2: Convert to fraction form
    1,750,340.10/2,625,510.15 = 420,644.10/x
  3. Step 3: Cross multiply
    1,750,340.10x = 2,625,510.15 × 420,644.10
  4. Step 4: Simplify right side
    1,750,340.10x = 1,104,405,354,087.62
  5. Step 5: Solve for x
    x = 1,104,405,354,087.62/1,750,340.10
  6. Step 6: Final answer
    x = 630,966.15

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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.