Home / 1,560,725.52-2,153,508.78-987,362.16

Finding the Fourth Proportional to 1,560,725.52, 2,153,508.78 and 987,362.16

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Solution

The fourth proportional to 1,560,725.52, 2,153,508.78 and 987,362.16 is: 1,362,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,725.52 : 2,153,508.78 = 987,362.16 : x
  2. Step 2: Convert to fraction form
    1,560,725.52/2,153,508.78 = 987,362.16/x
  3. Step 3: Cross multiply
    1,560,725.52x = 2,153,508.78 × 987,362.16
  4. Step 4: Simplify right side
    1,560,725.52x = 2,126,293,080,599.76
  5. Step 5: Solve for x
    x = 2,126,293,080,599.76/1,560,725.52
  6. Step 6: Final answer
    x = 1,362,374.78

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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.