Home / 1,326,127.62-1,989,205.38-1,061,569.92

Finding the Fourth Proportional to 1,326,127.62, 1,989,205.38 and 1,061,569.92

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Solution

The fourth proportional to 1,326,127.62, 1,989,205.38 and 1,061,569.92 is: 1,592,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,127.62 : 1,989,205.38 = 1,061,569.92 : x
  2. Step 2: Convert to fraction form
    1,326,127.62/1,989,205.38 = 1,061,569.92/x
  3. Step 3: Cross multiply
    1,326,127.62x = 1,989,205.38 × 1,061,569.92
  4. Step 4: Simplify right side
    1,326,127.62x = 2,111,680,596,110.17
  5. Step 5: Solve for x
    x = 2,111,680,596,110.17/1,326,127.62
  6. Step 6: Final answer
    x = 1,592,366.05

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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.