Home / 1,520,690.88-2,098,547.82-822,970.26

Finding the Fourth Proportional to 1,520,690.88, 2,098,547.82 and 822,970.26

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Solution

The fourth proportional to 1,520,690.88, 2,098,547.82 and 822,970.26 is: 1,135,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,690.88 : 2,098,547.82 = 822,970.26 : x
  2. Step 2: Convert to fraction form
    1,520,690.88/2,098,547.82 = 822,970.26/x
  3. Step 3: Cross multiply
    1,520,690.88x = 2,098,547.82 × 822,970.26
  4. Step 4: Simplify right side
    1,520,690.88x = 1,727,042,445,047.83
  5. Step 5: Solve for x
    x = 1,727,042,445,047.83/1,520,690.88
  6. Step 6: Final answer
    x = 1,135,695.93

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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.