Home / 915,172.70-1,262,511.16-575,828.06

Finding the Fourth Proportional to 915,172.70, 1,262,511.16 and 575,828.06

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Solution

The fourth proportional to 915,172.70, 1,262,511.16 and 575,828.06 is: 794,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,172.70 : 1,262,511.16 = 575,828.06 : x
  2. Step 2: Convert to fraction form
    915,172.70/1,262,511.16 = 575,828.06/x
  3. Step 3: Cross multiply
    915,172.70x = 1,262,511.16 × 575,828.06
  4. Step 4: Simplify right side
    915,172.70x = 726,989,344,239.02
  5. Step 5: Solve for x
    x = 726,989,344,239.02/915,172.70
  6. Step 6: Final answer
    x = 794,373.95

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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.