Home / 1,382,117.40-2,073,176.10-784,246.28

Finding the Fourth Proportional to 1,382,117.40, 2,073,176.10 and 784,246.28

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Solution

The fourth proportional to 1,382,117.40, 2,073,176.10 and 784,246.28 is: 1,176,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,117.40 : 2,073,176.10 = 784,246.28 : x
  2. Step 2: Convert to fraction form
    1,382,117.40/2,073,176.10 = 784,246.28/x
  3. Step 3: Cross multiply
    1,382,117.40x = 2,073,176.10 × 784,246.28
  4. Step 4: Simplify right side
    1,382,117.40x = 1,625,880,633,844.03
  5. Step 5: Solve for x
    x = 1,625,880,633,844.03/1,382,117.40
  6. Step 6: Final answer
    x = 1,176,369.41

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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.