Home / 1,275,707.64-1,912,897.08-476,331.78

Finding the Fourth Proportional to 1,275,707.64, 1,912,897.08 and 476,331.78

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Solution

The fourth proportional to 1,275,707.64, 1,912,897.08 and 476,331.78 is: 714,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,707.64 : 1,912,897.08 = 476,331.78 : x
  2. Step 2: Convert to fraction form
    1,275,707.64/1,912,897.08 = 476,331.78/x
  3. Step 3: Cross multiply
    1,275,707.64x = 1,912,897.08 × 476,331.78
  4. Step 4: Simplify right side
    1,275,707.64x = 911,173,671,073.20
  5. Step 5: Solve for x
    x = 911,173,671,073.20/1,275,707.64
  6. Step 6: Final answer
    x = 714,249.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.