Home / 1,528,882-2,109,858.48-840,565.56

Finding the Fourth Proportional to 1,528,882, 2,109,858.48 and 840,565.56

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Solution

The fourth proportional to 1,528,882, 2,109,858.48 and 840,565.56 is: 1,159,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,882 : 2,109,858.48 = 840,565.56 : x
  2. Step 2: Convert to fraction form
    1,528,882/2,109,858.48 = 840,565.56/x
  3. Step 3: Cross multiply
    1,528,882x = 2,109,858.48 × 840,565.56
  4. Step 4: Simplify right side
    1,528,882x = 1,773,474,374,761.95
  5. Step 5: Solve for x
    x = 1,773,474,374,761.95/1,528,882
  6. Step 6: Final answer
    x = 1,159,981.20

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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.