Home / 1,038,230.70-1,557,346.05-280,070.70

Finding the Fourth Proportional to 1,038,230.70, 1,557,346.05 and 280,070.70

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Solution

The fourth proportional to 1,038,230.70, 1,557,346.05 and 280,070.70 is: 420,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,230.70 : 1,557,346.05 = 280,070.70 : x
  2. Step 2: Convert to fraction form
    1,038,230.70/1,557,346.05 = 280,070.70/x
  3. Step 3: Cross multiply
    1,038,230.70x = 1,557,346.05 × 280,070.70
  4. Step 4: Simplify right side
    1,038,230.70x = 436,166,998,365.74
  5. Step 5: Solve for x
    x = 436,166,998,365.74/1,038,230.70
  6. Step 6: Final answer
    x = 420,106.05

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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.