Home / 1,006,700.50-1,389,246.90-553,991.50

Finding the Fourth Proportional to 1,006,700.50, 1,389,246.90 and 553,991.50

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Solution

The fourth proportional to 1,006,700.50, 1,389,246.90 and 553,991.50 is: 764,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,700.50 : 1,389,246.90 = 553,991.50 : x
  2. Step 2: Convert to fraction form
    1,006,700.50/1,389,246.90 = 553,991.50/x
  3. Step 3: Cross multiply
    1,006,700.50x = 1,389,246.90 × 553,991.50
  4. Step 4: Simplify right side
    1,006,700.50x = 769,630,974,001.35
  5. Step 5: Solve for x
    x = 769,630,974,001.35/1,006,700.50
  6. Step 6: Final answer
    x = 764,508.39

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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.