Home / 1,010,423.30-1,516,035.90-411,428.30

Finding the Fourth Proportional to 1,010,423.30, 1,516,035.90 and 411,428.30

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Solution

The fourth proportional to 1,010,423.30, 1,516,035.90 and 411,428.30 is: 617,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,423.30 : 1,516,035.90 = 411,428.30 : x
  2. Step 2: Convert to fraction form
    1,010,423.30/1,516,035.90 = 411,428.30/x
  3. Step 3: Cross multiply
    1,010,423.30x = 1,516,035.90 × 411,428.30
  4. Step 4: Simplify right side
    1,010,423.30x = 623,740,073,075.97
  5. Step 5: Solve for x
    x = 623,740,073,075.97/1,010,423.30
  6. Step 6: Final answer
    x = 617,305.71

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Double scale
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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.