Home / 1,435,349.40-2,152,505.70-725,141.40

Finding the Fourth Proportional to 1,435,349.40, 2,152,505.70 and 725,141.40

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Solution

The fourth proportional to 1,435,349.40, 2,152,505.70 and 725,141.40 is: 1,087,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,349.40 : 2,152,505.70 = 725,141.40 : x
  2. Step 2: Convert to fraction form
    1,435,349.40/2,152,505.70 = 725,141.40/x
  3. Step 3: Cross multiply
    1,435,349.40x = 2,152,505.70 × 725,141.40
  4. Step 4: Simplify right side
    1,435,349.40x = 1,560,870,996,805.98
  5. Step 5: Solve for x
    x = 1,560,870,996,805.98/1,435,349.40
  6. Step 6: Final answer
    x = 1,087,450.20

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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.