Home / 1,281,349.18-1,922,042.40-334,720

Finding the Fourth Proportional to 1,281,349.18, 1,922,042.40 and 334,720

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Solution

The fourth proportional to 1,281,349.18, 1,922,042.40 and 334,720 is: 502,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,349.18 : 1,922,042.40 = 334,720 : x
  2. Step 2: Convert to fraction form
    1,281,349.18/1,922,042.40 = 334,720/x
  3. Step 3: Cross multiply
    1,281,349.18x = 1,922,042.40 × 334,720
  4. Step 4: Simplify right side
    1,281,349.18x = 643,346,032,128
  5. Step 5: Solve for x
    x = 643,346,032,128/1,281,349.18
  6. Step 6: Final answer
    x = 502,084.87

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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.