Home / 1,557,671.70-2,332,570.95-1,242,743.70

Finding the Fourth Proportional to 1,557,671.70, 2,332,570.95 and 1,242,743.70

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Solution

The fourth proportional to 1,557,671.70, 2,332,570.95 and 1,242,743.70 is: 1,860,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,671.70 : 2,332,570.95 = 1,242,743.70 : x
  2. Step 2: Convert to fraction form
    1,557,671.70/2,332,570.95 = 1,242,743.70/x
  3. Step 3: Cross multiply
    1,557,671.70x = 2,332,570.95 × 1,242,743.70
  4. Step 4: Simplify right side
    1,557,671.70x = 2,898,787,852,915.52
  5. Step 5: Solve for x
    x = 2,898,787,852,915.52/1,557,671.70
  6. Step 6: Final answer
    x = 1,860,974.85

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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.