Home / 1,250,397.40-1,724,913.56-790,737.84

Finding the Fourth Proportional to 1,250,397.40, 1,724,913.56 and 790,737.84

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Solution

The fourth proportional to 1,250,397.40, 1,724,913.56 and 790,737.84 is: 1,090,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,397.40 : 1,724,913.56 = 790,737.84 : x
  2. Step 2: Convert to fraction form
    1,250,397.40/1,724,913.56 = 790,737.84/x
  3. Step 3: Cross multiply
    1,250,397.40x = 1,724,913.56 × 790,737.84
  4. Step 4: Simplify right side
    1,250,397.40x = 1,363,954,422,621.11
  5. Step 5: Solve for x
    x = 1,363,954,422,621.11/1,250,397.40
  6. Step 6: Final answer
    x = 1,090,816.75

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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.