Home / 1,348,510.30-1,861,000.65-775,550.86

Finding the Fourth Proportional to 1,348,510.30, 1,861,000.65 and 775,550.86

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Solution

The fourth proportional to 1,348,510.30, 1,861,000.65 and 775,550.86 is: 1,070,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,510.30 : 1,861,000.65 = 775,550.86 : x
  2. Step 2: Convert to fraction form
    1,348,510.30/1,861,000.65 = 775,550.86/x
  3. Step 3: Cross multiply
    1,348,510.30x = 1,861,000.65 × 775,550.86
  4. Step 4: Simplify right side
    1,348,510.30x = 1,443,300,654,568.06
  5. Step 5: Solve for x
    x = 1,443,300,654,568.06/1,348,510.30
  6. Step 6: Final answer
    x = 1,070,292.64

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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.