Home / 1,025,407.83-1,538,115.53-315,430.95

Finding the Fourth Proportional to 1,025,407.83, 1,538,115.53 and 315,430.95

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Solution

The fourth proportional to 1,025,407.83, 1,538,115.53 and 315,430.95 is: 473,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,407.83 : 1,538,115.53 = 315,430.95 : x
  2. Step 2: Convert to fraction form
    1,025,407.83/1,538,115.53 = 315,430.95/x
  3. Step 3: Cross multiply
    1,025,407.83x = 1,538,115.53 × 315,430.95
  4. Step 4: Simplify right side
    1,025,407.83x = 485,169,241,260.50
  5. Step 5: Solve for x
    x = 485,169,241,260.50/1,025,407.83
  6. Step 6: Final answer
    x = 473,147.59

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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.