Home / 1,347,007.10-2,020,510.65-787,135.10

Finding the Fourth Proportional to 1,347,007.10, 2,020,510.65 and 787,135.10

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Solution

The fourth proportional to 1,347,007.10, 2,020,510.65 and 787,135.10 is: 1,180,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,007.10 : 2,020,510.65 = 787,135.10 : x
  2. Step 2: Convert to fraction form
    1,347,007.10/2,020,510.65 = 787,135.10/x
  3. Step 3: Cross multiply
    1,347,007.10x = 2,020,510.65 × 787,135.10
  4. Step 4: Simplify right side
    1,347,007.10x = 1,590,414,852,538.82
  5. Step 5: Solve for x
    x = 1,590,414,852,538.82/1,347,007.10
  6. Step 6: Final answer
    x = 1,180,702.65

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Similar ratio
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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.