Home / 1,154,159.20-1,731,328.18-385,659.57

Finding the Fourth Proportional to 1,154,159.20, 1,731,328.18 and 385,659.57

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Solution

The fourth proportional to 1,154,159.20, 1,731,328.18 and 385,659.57 is: 578,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,159.20 : 1,731,328.18 = 385,659.57 : x
  2. Step 2: Convert to fraction form
    1,154,159.20/1,731,328.18 = 385,659.57/x
  3. Step 3: Cross multiply
    1,154,159.20x = 1,731,328.18 × 385,659.57
  4. Step 4: Simplify right side
    1,154,159.20x = 667,703,270,842.74
  5. Step 5: Solve for x
    x = 667,703,270,842.74/1,154,159.20
  6. Step 6: Final answer
    x = 578,519.21

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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.