Home / 1,323,122.61-1,985,340.42-524,386.47

Finding the Fourth Proportional to 1,323,122.61, 1,985,340.42 and 524,386.47

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Solution

The fourth proportional to 1,323,122.61, 1,985,340.42 and 524,386.47 is: 786,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,122.61 : 1,985,340.42 = 524,386.47 : x
  2. Step 2: Convert to fraction form
    1,323,122.61/1,985,340.42 = 524,386.47/x
  3. Step 3: Cross multiply
    1,323,122.61x = 1,985,340.42 × 524,386.47
  4. Step 4: Simplify right side
    1,323,122.61x = 1,041,085,654,592.12
  5. Step 5: Solve for x
    x = 1,041,085,654,592.12/1,323,122.61
  6. Step 6: Final answer
    x = 786,839.89

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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.