Home / 1,010,988.83-1,516,061.63-411,543.07

Finding the Fourth Proportional to 1,010,988.83, 1,516,061.63 and 411,543.07

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Solution

The fourth proportional to 1,010,988.83, 1,516,061.63 and 411,543.07 is: 617,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,988.83 : 1,516,061.63 = 411,543.07 : x
  2. Step 2: Convert to fraction form
    1,010,988.83/1,516,061.63 = 411,543.07/x
  3. Step 3: Cross multiply
    1,010,988.83x = 1,516,061.63 × 411,543.07
  4. Step 4: Simplify right side
    1,010,988.83x = 623,924,654,758.11
  5. Step 5: Solve for x
    x = 623,924,654,758.11/1,010,988.83
  6. Step 6: Final answer
    x = 617,142.97

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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.