Home / 1,560,691.50-2,153,929.32-881,671.74

Finding the Fourth Proportional to 1,560,691.50, 2,153,929.32 and 881,671.74

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Solution

The fourth proportional to 1,560,691.50, 2,153,929.32 and 881,671.74 is: 1,216,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,691.50 : 2,153,929.32 = 881,671.74 : x
  2. Step 2: Convert to fraction form
    1,560,691.50/2,153,929.32 = 881,671.74/x
  3. Step 3: Cross multiply
    1,560,691.50x = 2,153,929.32 × 881,671.74
  4. Step 4: Simplify right side
    1,560,691.50x = 1,899,058,611,401.42
  5. Step 5: Solve for x
    x = 1,899,058,611,401.42/1,560,691.50
  6. Step 6: Final answer
    x = 1,216,805.89

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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.