Home / 836,281.80-1,248,102.88-755,569.35

Finding the Fourth Proportional to 836,281.80, 1,248,102.88 and 755,569.35

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Solution

The fourth proportional to 836,281.80, 1,248,102.88 and 755,569.35 is: 1,127,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,281.80 : 1,248,102.88 = 755,569.35 : x
  2. Step 2: Convert to fraction form
    836,281.80/1,248,102.88 = 755,569.35/x
  3. Step 3: Cross multiply
    836,281.80x = 1,248,102.88 × 755,569.35
  4. Step 4: Simplify right side
    836,281.80x = 943,028,279,885.81
  5. Step 5: Solve for x
    x = 943,028,279,885.81/836,281.80
  6. Step 6: Final answer
    x = 1,127,644.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.