Home / 1,136,045.20-1,703,419.80-426,096.40

Finding the Fourth Proportional to 1,136,045.20, 1,703,419.80 and 426,096.40

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Solution

The fourth proportional to 1,136,045.20, 1,703,419.80 and 426,096.40 is: 638,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,045.20 : 1,703,419.80 = 426,096.40 : x
  2. Step 2: Convert to fraction form
    1,136,045.20/1,703,419.80 = 426,096.40/x
  3. Step 3: Cross multiply
    1,136,045.20x = 1,703,419.80 × 426,096.40
  4. Step 4: Simplify right side
    1,136,045.20x = 725,821,044,468.72
  5. Step 5: Solve for x
    x = 725,821,044,468.72/1,136,045.20
  6. Step 6: Final answer
    x = 638,901.55

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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.