Home / 1,323,365.10-1,985,864.13-613,260.78

Finding the Fourth Proportional to 1,323,365.10, 1,985,864.13 and 613,260.78

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Solution

The fourth proportional to 1,323,365.10, 1,985,864.13 and 613,260.78 is: 920,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,365.10 : 1,985,864.13 = 613,260.78 : x
  2. Step 2: Convert to fraction form
    1,323,365.10/1,985,864.13 = 613,260.78/x
  3. Step 3: Cross multiply
    1,323,365.10x = 1,985,864.13 × 613,260.78
  4. Step 4: Simplify right side
    1,323,365.10x = 1,217,852,585,337.82
  5. Step 5: Solve for x
    x = 1,217,852,585,337.82/1,323,365.10
  6. Step 6: Final answer
    x = 920,269.54

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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.