Home / 1,125,202.65-1,687,622.05-415,564.89

Finding the Fourth Proportional to 1,125,202.65, 1,687,622.05 and 415,564.89

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Solution

The fourth proportional to 1,125,202.65, 1,687,622.05 and 415,564.89 is: 623,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,202.65 : 1,687,622.05 = 415,564.89 : x
  2. Step 2: Convert to fraction form
    1,125,202.65/1,687,622.05 = 415,564.89/x
  3. Step 3: Cross multiply
    1,125,202.65x = 1,687,622.05 × 415,564.89
  4. Step 4: Simplify right side
    1,125,202.65x = 701,316,471,569.83
  5. Step 5: Solve for x
    x = 701,316,471,569.83/1,125,202.65
  6. Step 6: Final answer
    x = 623,280.15

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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.