Home / 915,501.80-1,370,487.90-804,909.80

Finding the Fourth Proportional to 915,501.80, 1,370,487.90 and 804,909.80

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Solution

The fourth proportional to 915,501.80, 1,370,487.90 and 804,909.80 is: 1,204,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,501.80 : 1,370,487.90 = 804,909.80 : x
  2. Step 2: Convert to fraction form
    915,501.80/1,370,487.90 = 804,909.80/x
  3. Step 3: Cross multiply
    915,501.80x = 1,370,487.90 × 804,909.80
  4. Step 4: Simplify right side
    915,501.80x = 1,103,119,141,491.42
  5. Step 5: Solve for x
    x = 1,103,119,141,491.42/915,501.80
  6. Step 6: Final answer
    x = 1,204,933.89

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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.