Home / 1,509,572-2,083,209.36-830,493.92

Finding the Fourth Proportional to 1,509,572, 2,083,209.36 and 830,493.92

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Solution

The fourth proportional to 1,509,572, 2,083,209.36 and 830,493.92 is: 1,146,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,572 : 2,083,209.36 = 830,493.92 : x
  2. Step 2: Convert to fraction form
    1,509,572/2,083,209.36 = 830,493.92/x
  3. Step 3: Cross multiply
    1,509,572x = 2,083,209.36 × 830,493.92
  4. Step 4: Simplify right side
    1,509,572x = 1,730,092,707,567.09
  5. Step 5: Solve for x
    x = 1,730,092,707,567.09/1,509,572
  6. Step 6: Final answer
    x = 1,146,081.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.