Home / 1,248,026.70-1,872,040.05-616,809.90

Finding the Fourth Proportional to 1,248,026.70, 1,872,040.05 and 616,809.90

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Solution

The fourth proportional to 1,248,026.70, 1,872,040.05 and 616,809.90 is: 925,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,026.70 : 1,872,040.05 = 616,809.90 : x
  2. Step 2: Convert to fraction form
    1,248,026.70/1,872,040.05 = 616,809.90/x
  3. Step 3: Cross multiply
    1,248,026.70x = 1,872,040.05 × 616,809.90
  4. Step 4: Simplify right side
    1,248,026.70x = 1,154,692,836,036.50
  5. Step 5: Solve for x
    x = 1,154,692,836,036.50/1,248,026.70
  6. Step 6: Final answer
    x = 925,214.85

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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.