Home / 787,139.10-1,180,708.65-740,483.10

Finding the Fourth Proportional to 787,139.10, 1,180,708.65 and 740,483.10

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Solution

The fourth proportional to 787,139.10, 1,180,708.65 and 740,483.10 is: 1,110,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,139.10 : 1,180,708.65 = 740,483.10 : x
  2. Step 2: Convert to fraction form
    787,139.10/1,180,708.65 = 740,483.10/x
  3. Step 3: Cross multiply
    787,139.10x = 1,180,708.65 × 740,483.10
  4. Step 4: Simplify right side
    787,139.10x = 874,294,801,348.82
  5. Step 5: Solve for x
    x = 874,294,801,348.82/787,139.10
  6. Step 6: Final answer
    x = 1,110,724.65

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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.