Home / 1,157,015.52-1,735,345.08-315,632.88

Finding the Fourth Proportional to 1,157,015.52, 1,735,345.08 and 315,632.88

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Solution

The fourth proportional to 1,157,015.52, 1,735,345.08 and 315,632.88 is: 473,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,015.52 : 1,735,345.08 = 315,632.88 : x
  2. Step 2: Convert to fraction form
    1,157,015.52/1,735,345.08 = 315,632.88/x
  3. Step 3: Cross multiply
    1,157,015.52x = 1,735,345.08 × 315,632.88
  4. Step 4: Simplify right side
    1,157,015.52x = 547,731,965,394.23
  5. Step 5: Solve for x
    x = 547,731,965,394.23/1,157,015.52
  6. Step 6: Final answer
    x = 473,400.71

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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.