Home / 1,011,262.52-1,516,306.93-478,779.05

Finding the Fourth Proportional to 1,011,262.52, 1,516,306.93 and 478,779.05

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Solution

The fourth proportional to 1,011,262.52, 1,516,306.93 and 478,779.05 is: 717,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,262.52 : 1,516,306.93 = 478,779.05 : x
  2. Step 2: Convert to fraction form
    1,011,262.52/1,516,306.93 = 478,779.05/x
  3. Step 3: Cross multiply
    1,011,262.52x = 1,516,306.93 × 478,779.05
  4. Step 4: Simplify right side
    1,011,262.52x = 725,975,991,453.82
  5. Step 5: Solve for x
    x = 725,975,991,453.82/1,011,262.52
  6. Step 6: Final answer
    x = 717,890.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.