Home / 1,254,491.56-1,731,073.44-710,518.78

Finding the Fourth Proportional to 1,254,491.56, 1,731,073.44 and 710,518.78

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Solution

The fourth proportional to 1,254,491.56, 1,731,073.44 and 710,518.78 is: 980,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,491.56 : 1,731,073.44 = 710,518.78 : x
  2. Step 2: Convert to fraction form
    1,254,491.56/1,731,073.44 = 710,518.78/x
  3. Step 3: Cross multiply
    1,254,491.56x = 1,731,073.44 × 710,518.78
  4. Step 4: Simplify right side
    1,254,491.56x = 1,229,960,188,679.20
  5. Step 5: Solve for x
    x = 1,229,960,188,679.20/1,254,491.56
  6. Step 6: Final answer
    x = 980,445.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.