Home / 1,312,159.92-1,810,787.16-739,209.12

Finding the Fourth Proportional to 1,312,159.92, 1,810,787.16 and 739,209.12

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Solution

The fourth proportional to 1,312,159.92, 1,810,787.16 and 739,209.12 is: 1,020,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,159.92 : 1,810,787.16 = 739,209.12 : x
  2. Step 2: Convert to fraction form
    1,312,159.92/1,810,787.16 = 739,209.12/x
  3. Step 3: Cross multiply
    1,312,159.92x = 1,810,787.16 × 739,209.12
  4. Step 4: Simplify right side
    1,312,159.92x = 1,338,550,383,050.90
  5. Step 5: Solve for x
    x = 1,338,550,383,050.90/1,312,159.92
  6. Step 6: Final answer
    x = 1,020,112.23

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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.