Home / 1,574,279.40-2,172,443.04-929,906.58

Finding the Fourth Proportional to 1,574,279.40, 2,172,443.04 and 929,906.58

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Solution

The fourth proportional to 1,574,279.40, 2,172,443.04 and 929,906.58 is: 1,283,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,279.40 : 2,172,443.04 = 929,906.58 : x
  2. Step 2: Convert to fraction form
    1,574,279.40/2,172,443.04 = 929,906.58/x
  3. Step 3: Cross multiply
    1,574,279.40x = 2,172,443.04 × 929,906.58
  4. Step 4: Simplify right side
    1,574,279.40x = 2,020,169,077,571.20
  5. Step 5: Solve for x
    x = 2,020,169,077,571.20/1,574,279.40
  6. Step 6: Final answer
    x = 1,283,234.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.