Home / 1,310,702.59-1,963,534.92-803,785.42

Finding the Fourth Proportional to 1,310,702.59, 1,963,534.92 and 803,785.42

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Solution

The fourth proportional to 1,310,702.59, 1,963,534.92 and 803,785.42 is: 1,204,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,702.59 : 1,963,534.92 = 803,785.42 : x
  2. Step 2: Convert to fraction form
    1,310,702.59/1,963,534.92 = 803,785.42/x
  3. Step 3: Cross multiply
    1,310,702.59x = 1,963,534.92 × 803,785.42
  4. Step 4: Simplify right side
    1,310,702.59x = 1,578,260,740,356.87
  5. Step 5: Solve for x
    x = 1,578,260,740,356.87/1,310,702.59
  6. Step 6: Final answer
    x = 1,204,133.38

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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.