Home / 926,444.20-1,389,666.30-910,697.80

Finding the Fourth Proportional to 926,444.20, 1,389,666.30 and 910,697.80

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Solution

The fourth proportional to 926,444.20, 1,389,666.30 and 910,697.80 is: 1,366,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,444.20 : 1,389,666.30 = 910,697.80 : x
  2. Step 2: Convert to fraction form
    926,444.20/1,389,666.30 = 910,697.80/x
  3. Step 3: Cross multiply
    926,444.20x = 1,389,666.30 × 910,697.80
  4. Step 4: Simplify right side
    926,444.20x = 1,265,566,042,144.14
  5. Step 5: Solve for x
    x = 1,265,566,042,144.14/926,444.20
  6. Step 6: Final answer
    x = 1,366,046.70

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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.