Home / 1,690,671-2,333,126.52-926,729.76

Finding the Fourth Proportional to 1,690,671, 2,333,126.52 and 926,729.76

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Solution

The fourth proportional to 1,690,671, 2,333,126.52 and 926,729.76 is: 1,278,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,671 : 2,333,126.52 = 926,729.76 : x
  2. Step 2: Convert to fraction form
    1,690,671/2,333,126.52 = 926,729.76/x
  3. Step 3: Cross multiply
    1,690,671x = 2,333,126.52 × 926,729.76
  4. Step 4: Simplify right side
    1,690,671x = 2,162,177,779,929.24
  5. Step 5: Solve for x
    x = 2,162,177,779,929.24/1,690,671
  6. Step 6: Final answer
    x = 1,278,887.36

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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.