Home / 1,345,292.28-1,856,429.28-772,295.04

Finding the Fourth Proportional to 1,345,292.28, 1,856,429.28 and 772,295.04

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Solution

The fourth proportional to 1,345,292.28, 1,856,429.28 and 772,295.04 is: 1,065,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,292.28 : 1,856,429.28 = 772,295.04 : x
  2. Step 2: Convert to fraction form
    1,345,292.28/1,856,429.28 = 772,295.04/x
  3. Step 3: Cross multiply
    1,345,292.28x = 1,856,429.28 × 772,295.04
  4. Step 4: Simplify right side
    1,345,292.28x = 1,433,711,125,054.77
  5. Step 5: Solve for x
    x = 1,433,711,125,054.77/1,345,292.28
  6. Step 6: Final answer
    x = 1,065,724.64

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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.