Home / 1,274,875.70-1,911,867.89-376,078.91

Finding the Fourth Proportional to 1,274,875.70, 1,911,867.89 and 376,078.91

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Solution

The fourth proportional to 1,274,875.70, 1,911,867.89 and 376,078.91 is: 563,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,875.70 : 1,911,867.89 = 376,078.91 : x
  2. Step 2: Convert to fraction form
    1,274,875.70/1,911,867.89 = 376,078.91/x
  3. Step 3: Cross multiply
    1,274,875.70x = 1,911,867.89 × 376,078.91
  4. Step 4: Simplify right side
    1,274,875.70x = 719,013,180,695.47
  5. Step 5: Solve for x
    x = 719,013,180,695.47/1,274,875.70
  6. Step 6: Final answer
    x = 563,986.89

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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.