Home / 1,345,304.28-1,856,445.84-772,307.04

Finding the Fourth Proportional to 1,345,304.28, 1,856,445.84 and 772,307.04

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Solution

The fourth proportional to 1,345,304.28, 1,856,445.84 and 772,307.04 is: 1,065,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,304.28 : 1,856,445.84 = 772,307.04 : x
  2. Step 2: Convert to fraction form
    1,345,304.28/1,856,445.84 = 772,307.04/x
  3. Step 3: Cross multiply
    1,345,304.28x = 1,856,445.84 × 772,307.04
  4. Step 4: Simplify right side
    1,345,304.28x = 1,433,746,191,610.71
  5. Step 5: Solve for x
    x = 1,433,746,191,610.71/1,345,304.28
  6. Step 6: Final answer
    x = 1,065,741.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.