Home / 1,225,759.76-1,838,633.52-314,941.40

Finding the Fourth Proportional to 1,225,759.76, 1,838,633.52 and 314,941.40

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Solution

The fourth proportional to 1,225,759.76, 1,838,633.52 and 314,941.40 is: 472,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,759.76 : 1,838,633.52 = 314,941.40 : x
  2. Step 2: Convert to fraction form
    1,225,759.76/1,838,633.52 = 314,941.40/x
  3. Step 3: Cross multiply
    1,225,759.76x = 1,838,633.52 × 314,941.40
  4. Step 4: Simplify right side
    1,225,759.76x = 579,061,814,875.73
  5. Step 5: Solve for x
    x = 579,061,814,875.73/1,225,759.76
  6. Step 6: Final answer
    x = 472,410.53

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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.