Home / 1,001,498.64-1,381,263.84-880,382.40

Finding the Fourth Proportional to 1,001,498.64, 1,381,263.84 and 880,382.40

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Solution

The fourth proportional to 1,001,498.64, 1,381,263.84 and 880,382.40 is: 1,214,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,498.64 : 1,381,263.84 = 880,382.40 : x
  2. Step 2: Convert to fraction form
    1,001,498.64/1,381,263.84 = 880,382.40/x
  3. Step 3: Cross multiply
    1,001,498.64x = 1,381,263.84 × 880,382.40
  4. Step 4: Simplify right side
    1,001,498.64x = 1,216,040,374,492.42
  5. Step 5: Solve for x
    x = 1,216,040,374,492.42/1,001,498.64
  6. Step 6: Final answer
    x = 1,214,220.69

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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.