Home / 1,247,555.12-1,721,624.02-703,689.22

Finding the Fourth Proportional to 1,247,555.12, 1,721,624.02 and 703,689.22

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Solution

The fourth proportional to 1,247,555.12, 1,721,624.02 and 703,689.22 is: 971,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,555.12 : 1,721,624.02 = 703,689.22 : x
  2. Step 2: Convert to fraction form
    1,247,555.12/1,721,624.02 = 703,689.22/x
  3. Step 3: Cross multiply
    1,247,555.12x = 1,721,624.02 × 703,689.22
  4. Step 4: Simplify right side
    1,247,555.12x = 1,211,488,264,159.87
  5. Step 5: Solve for x
    x = 1,211,488,264,159.87/1,247,555.12
  6. Step 6: Final answer
    x = 971,089.97

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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.