Home / 1,187,737.20-1,781,605.80-346,316.40

Finding the Fourth Proportional to 1,187,737.20, 1,781,605.80 and 346,316.40

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Solution

The fourth proportional to 1,187,737.20, 1,781,605.80 and 346,316.40 is: 519,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,737.20 : 1,781,605.80 = 346,316.40 : x
  2. Step 2: Convert to fraction form
    1,187,737.20/1,781,605.80 = 346,316.40/x
  3. Step 3: Cross multiply
    1,187,737.20x = 1,781,605.80 × 346,316.40
  4. Step 4: Simplify right side
    1,187,737.20x = 616,999,306,875.12
  5. Step 5: Solve for x
    x = 616,999,306,875.12/1,187,737.20
  6. Step 6: Final answer
    x = 519,474.60

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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.