Home / 1,148,721.12-1,585,208.85-719,238.06

Finding the Fourth Proportional to 1,148,721.12, 1,585,208.85 and 719,238.06

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Solution

The fourth proportional to 1,148,721.12, 1,585,208.85 and 719,238.06 is: 992,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,721.12 : 1,585,208.85 = 719,238.06 : x
  2. Step 2: Convert to fraction form
    1,148,721.12/1,585,208.85 = 719,238.06/x
  3. Step 3: Cross multiply
    1,148,721.12x = 1,585,208.85 × 719,238.06
  4. Step 4: Simplify right side
    1,148,721.12x = 1,140,142,537,968.83
  5. Step 5: Solve for x
    x = 1,140,142,537,968.83/1,148,721.12
  6. Step 6: Final answer
    x = 992,532.06

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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.