Home / 1,136,084.20-1,703,478.30-426,135.40

Finding the Fourth Proportional to 1,136,084.20, 1,703,478.30 and 426,135.40

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Solution

The fourth proportional to 1,136,084.20, 1,703,478.30 and 426,135.40 is: 638,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,084.20 : 1,703,478.30 = 426,135.40 : x
  2. Step 2: Convert to fraction form
    1,136,084.20/1,703,478.30 = 426,135.40/x
  3. Step 3: Cross multiply
    1,136,084.20x = 1,703,478.30 × 426,135.40
  4. Step 4: Simplify right side
    1,136,084.20x = 725,912,406,761.82
  5. Step 5: Solve for x
    x = 725,912,406,761.82/1,136,084.20
  6. Step 6: Final answer
    x = 638,960.04

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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.