Home / 1,425,947.88-2,138,816.90-526,970.18

Finding the Fourth Proportional to 1,425,947.88, 2,138,816.90 and 526,970.18

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Solution

The fourth proportional to 1,425,947.88, 2,138,816.90 and 526,970.18 is: 790,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,947.88 : 2,138,816.90 = 526,970.18 : x
  2. Step 2: Convert to fraction form
    1,425,947.88/2,138,816.90 = 526,970.18/x
  3. Step 3: Cross multiply
    1,425,947.88x = 2,138,816.90 × 526,970.18
  4. Step 4: Simplify right side
    1,425,947.88x = 1,127,092,726,780.04
  5. Step 5: Solve for x
    x = 1,127,092,726,780.04/1,425,947.88
  6. Step 6: Final answer
    x = 790,416.50

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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.