Home / 1,400,948.70-2,101,423.05-834,078.30

Finding the Fourth Proportional to 1,400,948.70, 2,101,423.05 and 834,078.30

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Solution

The fourth proportional to 1,400,948.70, 2,101,423.05 and 834,078.30 is: 1,251,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,948.70 : 2,101,423.05 = 834,078.30 : x
  2. Step 2: Convert to fraction form
    1,400,948.70/2,101,423.05 = 834,078.30/x
  3. Step 3: Cross multiply
    1,400,948.70x = 2,101,423.05 × 834,078.30
  4. Step 4: Simplify right side
    1,400,948.70x = 1,752,751,365,124.82
  5. Step 5: Solve for x
    x = 1,752,751,365,124.82/1,400,948.70
  6. Step 6: Final answer
    x = 1,251,117.45

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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.