Home / 948,414.20-1,420,547.70-736,388.60

Finding the Fourth Proportional to 948,414.20, 1,420,547.70 and 736,388.60

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Solution

The fourth proportional to 948,414.20, 1,420,547.70 and 736,388.60 is: 1,102,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,414.20 : 1,420,547.70 = 736,388.60 : x
  2. Step 2: Convert to fraction form
    948,414.20/1,420,547.70 = 736,388.60/x
  3. Step 3: Cross multiply
    948,414.20x = 1,420,547.70 × 736,388.60
  4. Step 4: Simplify right side
    948,414.20x = 1,046,075,132,036.22
  5. Step 5: Solve for x
    x = 1,046,075,132,036.22/948,414.20
  6. Step 6: Final answer
    x = 1,102,972.87

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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.