Home / 1,218,702.02-1,681,788.23-674,826.11

Finding the Fourth Proportional to 1,218,702.02, 1,681,788.23 and 674,826.11

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Solution

The fourth proportional to 1,218,702.02, 1,681,788.23 and 674,826.11 is: 931,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,702.02 : 1,681,788.23 = 674,826.11 : x
  2. Step 2: Convert to fraction form
    1,218,702.02/1,681,788.23 = 674,826.11/x
  3. Step 3: Cross multiply
    1,218,702.02x = 1,681,788.23 × 674,826.11
  4. Step 4: Simplify right side
    1,218,702.02x = 1,134,914,609,925.03
  5. Step 5: Solve for x
    x = 1,134,914,609,925.03/1,218,702.02
  6. Step 6: Final answer
    x = 931,248.65

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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.