Home / 1,226,979.20-1,840,531.20-385,539.20

Finding the Fourth Proportional to 1,226,979.20, 1,840,531.20 and 385,539.20

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Solution

The fourth proportional to 1,226,979.20, 1,840,531.20 and 385,539.20 is: 578,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,979.20 : 1,840,531.20 = 385,539.20 : x
  2. Step 2: Convert to fraction form
    1,226,979.20/1,840,531.20 = 385,539.20/x
  3. Step 3: Cross multiply
    1,226,979.20x = 1,840,531.20 × 385,539.20
  4. Step 4: Simplify right side
    1,226,979.20x = 709,596,926,423.04
  5. Step 5: Solve for x
    x = 709,596,926,423.04/1,226,979.20
  6. Step 6: Final answer
    x = 578,328.41

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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.