Home / 926,064.20-1,387,022.70-760,176.20

Finding the Fourth Proportional to 926,064.20, 1,387,022.70 and 760,176.20

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Solution

The fourth proportional to 926,064.20, 1,387,022.70 and 760,176.20 is: 1,138,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,064.20 : 1,387,022.70 = 760,176.20 : x
  2. Step 2: Convert to fraction form
    926,064.20/1,387,022.70 = 760,176.20/x
  3. Step 3: Cross multiply
    926,064.20x = 1,387,022.70 × 760,176.20
  4. Step 4: Simplify right side
    926,064.20x = 1,054,381,645,399.74
  5. Step 5: Solve for x
    x = 1,054,381,645,399.74/926,064.20
  6. Step 6: Final answer
    x = 1,138,562.15

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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.