Home / 878,496.90-1,319,300.55-679,301.70

Finding the Fourth Proportional to 878,496.90, 1,319,300.55 and 679,301.70

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Solution

The fourth proportional to 878,496.90, 1,319,300.55 and 679,301.70 is: 1,020,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,496.90 : 1,319,300.55 = 679,301.70 : x
  2. Step 2: Convert to fraction form
    878,496.90/1,319,300.55 = 679,301.70/x
  3. Step 3: Cross multiply
    878,496.90x = 1,319,300.55 × 679,301.70
  4. Step 4: Simplify right side
    878,496.90x = 896,203,106,425.94
  5. Step 5: Solve for x
    x = 896,203,106,425.94/878,496.90
  6. Step 6: Final answer
    x = 1,020,155.12

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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.