Home / 1,077,648.84-1,487,255.18-618,823.53

Finding the Fourth Proportional to 1,077,648.84, 1,487,255.18 and 618,823.53

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Solution

The fourth proportional to 1,077,648.84, 1,487,255.18 and 618,823.53 is: 854,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,648.84 : 1,487,255.18 = 618,823.53 : x
  2. Step 2: Convert to fraction form
    1,077,648.84/1,487,255.18 = 618,823.53/x
  3. Step 3: Cross multiply
    1,077,648.84x = 1,487,255.18 × 618,823.53
  4. Step 4: Simplify right side
    1,077,648.84x = 920,348,497,404.27
  5. Step 5: Solve for x
    x = 920,348,497,404.27/1,077,648.84
  6. Step 6: Final answer
    x = 854,033.77

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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.