Home / 1,639,703.32-2,454,510.38-1,069,857.40

Finding the Fourth Proportional to 1,639,703.32, 2,454,510.38 and 1,069,857.40

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Solution

The fourth proportional to 1,639,703.32, 2,454,510.38 and 1,069,857.40 is: 1,601,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,703.32 : 2,454,510.38 = 1,069,857.40 : x
  2. Step 2: Convert to fraction form
    1,639,703.32/2,454,510.38 = 1,069,857.40/x
  3. Step 3: Cross multiply
    1,639,703.32x = 2,454,510.38 × 1,069,857.40
  4. Step 4: Simplify right side
    1,639,703.32x = 2,625,976,093,419.81
  5. Step 5: Solve for x
    x = 2,625,976,093,419.81/1,639,703.32
  6. Step 6: Final answer
    x = 1,601,494.65

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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.