Home / 1,581,005.40-2,371,153.16-727,257.12

Finding the Fourth Proportional to 1,581,005.40, 2,371,153.16 and 727,257.12

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Solution

The fourth proportional to 1,581,005.40, 2,371,153.16 and 727,257.12 is: 1,090,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,005.40 : 2,371,153.16 = 727,257.12 : x
  2. Step 2: Convert to fraction form
    1,581,005.40/2,371,153.16 = 727,257.12/x
  3. Step 3: Cross multiply
    1,581,005.40x = 2,371,153.16 × 727,257.12
  4. Step 4: Simplify right side
    1,581,005.40x = 1,724,438,018,220.50
  5. Step 5: Solve for x
    x = 1,724,438,018,220.50/1,581,005.40
  6. Step 6: Final answer
    x = 1,090,722.41

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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.