Home / 1,087,966.17-1,500,927.59-679,358.63

Finding the Fourth Proportional to 1,087,966.17, 1,500,927.59 and 679,358.63

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Solution

The fourth proportional to 1,087,966.17, 1,500,927.59 and 679,358.63 is: 937,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,966.17 : 1,500,927.59 = 679,358.63 : x
  2. Step 2: Convert to fraction form
    1,087,966.17/1,500,927.59 = 679,358.63/x
  3. Step 3: Cross multiply
    1,087,966.17x = 1,500,927.59 × 679,358.63
  4. Step 4: Simplify right side
    1,087,966.17x = 1,019,668,100,370.17
  5. Step 5: Solve for x
    x = 1,019,668,100,370.17/1,087,966.17
  6. Step 6: Final answer
    x = 937,224.09

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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.