Home / 1,720,264.72-2,578,953.66-760,565.38

Finding the Fourth Proportional to 1,720,264.72, 2,578,953.66 and 760,565.38

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Solution

The fourth proportional to 1,720,264.72, 2,578,953.66 and 760,565.38 is: 1,140,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,264.72 : 2,578,953.66 = 760,565.38 : x
  2. Step 2: Convert to fraction form
    1,720,264.72/2,578,953.66 = 760,565.38/x
  3. Step 3: Cross multiply
    1,720,264.72x = 2,578,953.66 × 760,565.38
  4. Step 4: Simplify right side
    1,720,264.72x = 1,961,462,870,420.29
  5. Step 5: Solve for x
    x = 1,961,462,870,420.29/1,720,264.72
  6. Step 6: Final answer
    x = 1,140,209.90

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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.