Home / 1,087,885.52-1,500,817.01-679,709.31

Finding the Fourth Proportional to 1,087,885.52, 1,500,817.01 and 679,709.31

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Solution

The fourth proportional to 1,087,885.52, 1,500,817.01 and 679,709.31 is: 937,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,885.52 : 1,500,817.01 = 679,709.31 : x
  2. Step 2: Convert to fraction form
    1,087,885.52/1,500,817.01 = 679,709.31/x
  3. Step 3: Cross multiply
    1,087,885.52x = 1,500,817.01 × 679,709.31
  4. Step 4: Simplify right side
    1,087,885.52x = 1,020,119,285,276.75
  5. Step 5: Solve for x
    x = 1,020,119,285,276.75/1,087,885.52
  6. Step 6: Final answer
    x = 937,708.30

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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.