Home / 1,233,271.90-1,701,922.04-689,430.61

Finding the Fourth Proportional to 1,233,271.90, 1,701,922.04 and 689,430.61

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Solution

The fourth proportional to 1,233,271.90, 1,701,922.04 and 689,430.61 is: 951,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,271.90 : 1,701,922.04 = 689,430.61 : x
  2. Step 2: Convert to fraction form
    1,233,271.90/1,701,922.04 = 689,430.61/x
  3. Step 3: Cross multiply
    1,233,271.90x = 1,701,922.04 × 689,430.61
  4. Step 4: Simplify right side
    1,233,271.90x = 1,173,357,143,840.97
  5. Step 5: Solve for x
    x = 1,173,357,143,840.97/1,233,271.90
  6. Step 6: Final answer
    x = 951,418.05

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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.