Home / 1,488,079.28-2,054,538.36-1,143,301.04

Finding the Fourth Proportional to 1,488,079.28, 2,054,538.36 and 1,143,301.04

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Solution

The fourth proportional to 1,488,079.28, 2,054,538.36 and 1,143,301.04 is: 1,578,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,079.28 : 2,054,538.36 = 1,143,301.04 : x
  2. Step 2: Convert to fraction form
    1,488,079.28/2,054,538.36 = 1,143,301.04/x
  3. Step 3: Cross multiply
    1,488,079.28x = 2,054,538.36 × 1,143,301.04
  4. Step 4: Simplify right side
    1,488,079.28x = 2,348,955,843,707.89
  5. Step 5: Solve for x
    x = 2,348,955,843,707.89/1,488,079.28
  6. Step 6: Final answer
    x = 1,578,515.25

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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.