Home / 1,553,166.70-2,142,856.28-908,130.22

Finding the Fourth Proportional to 1,553,166.70, 2,142,856.28 and 908,130.22

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Solution

The fourth proportional to 1,553,166.70, 2,142,856.28 and 908,130.22 is: 1,252,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,166.70 : 2,142,856.28 = 908,130.22 : x
  2. Step 2: Convert to fraction form
    1,553,166.70/2,142,856.28 = 908,130.22/x
  3. Step 3: Cross multiply
    1,553,166.70x = 2,142,856.28 × 908,130.22
  4. Step 4: Simplify right side
    1,553,166.70x = 1,945,992,541,897.97
  5. Step 5: Solve for x
    x = 1,945,992,541,897.97/1,553,166.70
  6. Step 6: Final answer
    x = 1,252,919.31

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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.