Home / 1,561,551.12-2,154,702.24-882,239.76

Finding the Fourth Proportional to 1,561,551.12, 2,154,702.24 and 882,239.76

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Solution

The fourth proportional to 1,561,551.12, 2,154,702.24 and 882,239.76 is: 1,217,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,551.12 : 2,154,702.24 = 882,239.76 : x
  2. Step 2: Convert to fraction form
    1,561,551.12/2,154,702.24 = 882,239.76/x
  3. Step 3: Cross multiply
    1,561,551.12x = 2,154,702.24 × 882,239.76
  4. Step 4: Simplify right side
    1,561,551.12x = 1,900,963,987,089.06
  5. Step 5: Solve for x
    x = 1,900,963,987,089.06/1,561,551.12
  6. Step 6: Final answer
    x = 1,217,356.23

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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.