Home / 1,258,612.40-1,737,010.58-768,554.91

Finding the Fourth Proportional to 1,258,612.40, 1,737,010.58 and 768,554.91

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Solution

The fourth proportional to 1,258,612.40, 1,737,010.58 and 768,554.91 is: 1,060,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,612.40 : 1,737,010.58 = 768,554.91 : x
  2. Step 2: Convert to fraction form
    1,258,612.40/1,737,010.58 = 768,554.91/x
  3. Step 3: Cross multiply
    1,258,612.40x = 1,737,010.58 × 768,554.91
  4. Step 4: Simplify right side
    1,258,612.40x = 1,334,988,006,138.17
  5. Step 5: Solve for x
    x = 1,334,988,006,138.17/1,258,612.40
  6. Step 6: Final answer
    x = 1,060,682.39

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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.