Home / 1,272,842.70-1,908,002.87-597,715.47

Finding the Fourth Proportional to 1,272,842.70, 1,908,002.87 and 597,715.47

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Solution

The fourth proportional to 1,272,842.70, 1,908,002.87 and 597,715.47 is: 895,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,842.70 : 1,908,002.87 = 597,715.47 : x
  2. Step 2: Convert to fraction form
    1,272,842.70/1,908,002.87 = 597,715.47/x
  3. Step 3: Cross multiply
    1,272,842.70x = 1,908,002.87 × 597,715.47
  4. Step 4: Simplify right side
    1,272,842.70x = 1,140,442,819,674.81
  5. Step 5: Solve for x
    x = 1,140,442,819,674.81/1,272,842.70
  6. Step 6: Final answer
    x = 895,980.96

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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.