Home / 1,298,478.32-1,791,866.36-725,522.48

Finding the Fourth Proportional to 1,298,478.32, 1,791,866.36 and 725,522.48

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Solution

The fourth proportional to 1,298,478.32, 1,791,866.36 and 725,522.48 is: 1,001,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,478.32 : 1,791,866.36 = 725,522.48 : x
  2. Step 2: Convert to fraction form
    1,298,478.32/1,791,866.36 = 725,522.48/x
  3. Step 3: Cross multiply
    1,298,478.32x = 1,791,866.36 × 725,522.48
  4. Step 4: Simplify right side
    1,298,478.32x = 1,300,039,325,335.77
  5. Step 5: Solve for x
    x = 1,300,039,325,335.77/1,298,478.32
  6. Step 6: Final answer
    x = 1,001,202.18

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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.