Home / 992,068.46-1,487,943.39-272,242.05

Finding the Fourth Proportional to 992,068.46, 1,487,943.39 and 272,242.05

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Solution

The fourth proportional to 992,068.46, 1,487,943.39 and 272,242.05 is: 408,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,068.46 : 1,487,943.39 = 272,242.05 : x
  2. Step 2: Convert to fraction form
    992,068.46/1,487,943.39 = 272,242.05/x
  3. Step 3: Cross multiply
    992,068.46x = 1,487,943.39 × 272,242.05
  4. Step 4: Simplify right side
    992,068.46x = 405,080,761,056.99
  5. Step 5: Solve for x
    x = 405,080,761,056.99/992,068.46
  6. Step 6: Final answer
    x = 408,319.36

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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.