Home / 1,240,650.36-1,712,747.88-834,885.72

Finding the Fourth Proportional to 1,240,650.36, 1,712,747.88 and 834,885.72

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Solution

The fourth proportional to 1,240,650.36, 1,712,747.88 and 834,885.72 is: 1,152,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,650.36 : 1,712,747.88 = 834,885.72 : x
  2. Step 2: Convert to fraction form
    1,240,650.36/1,712,747.88 = 834,885.72/x
  3. Step 3: Cross multiply
    1,240,650.36x = 1,712,747.88 × 834,885.72
  4. Step 4: Simplify right side
    1,240,650.36x = 1,429,948,746,972.27
  5. Step 5: Solve for x
    x = 1,429,948,746,972.27/1,240,650.36
  6. Step 6: Final answer
    x = 1,152,579.96

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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.