Home / 1,026,002.40-1,539,003.60-386,304.90

Finding the Fourth Proportional to 1,026,002.40, 1,539,003.60 and 386,304.90

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Solution

The fourth proportional to 1,026,002.40, 1,539,003.60 and 386,304.90 is: 579,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,002.40 : 1,539,003.60 = 386,304.90 : x
  2. Step 2: Convert to fraction form
    1,026,002.40/1,539,003.60 = 386,304.90/x
  3. Step 3: Cross multiply
    1,026,002.40x = 1,539,003.60 × 386,304.90
  4. Step 4: Simplify right side
    1,026,002.40x = 594,524,631,797.64
  5. Step 5: Solve for x
    x = 594,524,631,797.64/1,026,002.40
  6. Step 6: Final answer
    x = 579,457.35

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1.5x scale

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.