Home / 1,438,444.80-1,984,580.48-929,447.04

Finding the Fourth Proportional to 1,438,444.80, 1,984,580.48 and 929,447.04

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Solution

The fourth proportional to 1,438,444.80, 1,984,580.48 and 929,447.04 is: 1,282,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,444.80 : 1,984,580.48 = 929,447.04 : x
  2. Step 2: Convert to fraction form
    1,438,444.80/1,984,580.48 = 929,447.04/x
  3. Step 3: Cross multiply
    1,438,444.80x = 1,984,580.48 × 929,447.04
  4. Step 4: Simplify right side
    1,438,444.80x = 1,844,562,452,777.78
  5. Step 5: Solve for x
    x = 1,844,562,452,777.78/1,438,444.80
  6. Step 6: Final answer
    x = 1,282,331.07

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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.