Home / 1,158,117.89-1,737,409.01-399,987.15

Finding the Fourth Proportional to 1,158,117.89, 1,737,409.01 and 399,987.15

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Solution

The fourth proportional to 1,158,117.89, 1,737,409.01 and 399,987.15 is: 600,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,117.89 : 1,737,409.01 = 399,987.15 : x
  2. Step 2: Convert to fraction form
    1,158,117.89/1,737,409.01 = 399,987.15/x
  3. Step 3: Cross multiply
    1,158,117.89x = 1,737,409.01 × 399,987.15
  4. Step 4: Simplify right side
    1,158,117.89x = 694,941,276,294.29
  5. Step 5: Solve for x
    x = 694,941,276,294.29/1,158,117.89
  6. Step 6: Final answer
    x = 600,060.91

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Double scale
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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.