Home / 1,409,335.92-1,944,070.20-899,463.60

Finding the Fourth Proportional to 1,409,335.92, 1,944,070.20 and 899,463.60

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Solution

The fourth proportional to 1,409,335.92, 1,944,070.20 and 899,463.60 is: 1,240,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,335.92 : 1,944,070.20 = 899,463.60 : x
  2. Step 2: Convert to fraction form
    1,409,335.92/1,944,070.20 = 899,463.60/x
  3. Step 3: Cross multiply
    1,409,335.92x = 1,944,070.20 × 899,463.60
  4. Step 4: Simplify right side
    1,409,335.92x = 1,748,620,380,744.72
  5. Step 5: Solve for x
    x = 1,748,620,380,744.72/1,409,335.92
  6. Step 6: Final answer
    x = 1,240,740.66

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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.