Home / 1,225,973.16-1,692,633.24-790,585.20

Finding the Fourth Proportional to 1,225,973.16, 1,692,633.24 and 790,585.20

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Solution

The fourth proportional to 1,225,973.16, 1,692,633.24 and 790,585.20 is: 1,091,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,973.16 : 1,692,633.24 = 790,585.20 : x
  2. Step 2: Convert to fraction form
    1,225,973.16/1,692,633.24 = 790,585.20/x
  3. Step 3: Cross multiply
    1,225,973.16x = 1,692,633.24 × 790,585.20
  4. Step 4: Simplify right side
    1,225,973.16x = 1,338,170,788,572.05
  5. Step 5: Solve for x
    x = 1,338,170,788,572.05/1,225,973.16
  6. Step 6: Final answer
    x = 1,091,517.20

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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.