Home / 987,368.10-1,481,052.15-910,385.70

Finding the Fourth Proportional to 987,368.10, 1,481,052.15 and 910,385.70

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Solution

The fourth proportional to 987,368.10, 1,481,052.15 and 910,385.70 is: 1,365,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,368.10 : 1,481,052.15 = 910,385.70 : x
  2. Step 2: Convert to fraction form
    987,368.10/1,481,052.15 = 910,385.70/x
  3. Step 3: Cross multiply
    987,368.10x = 1,481,052.15 × 910,385.70
  4. Step 4: Simplify right side
    987,368.10x = 1,348,328,698,314.25
  5. Step 5: Solve for x
    x = 1,348,328,698,314.25/987,368.10
  6. Step 6: Final answer
    x = 1,365,578.55

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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.