Home / 1,411,043.90-1,947,276.80-766,500.98

Finding the Fourth Proportional to 1,411,043.90, 1,947,276.80 and 766,500.98

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Solution

The fourth proportional to 1,411,043.90, 1,947,276.80 and 766,500.98 is: 1,057,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,043.90 : 1,947,276.80 = 766,500.98 : x
  2. Step 2: Convert to fraction form
    1,411,043.90/1,947,276.80 = 766,500.98/x
  3. Step 3: Cross multiply
    1,411,043.90x = 1,947,276.80 × 766,500.98
  4. Step 4: Simplify right side
    1,411,043.90x = 1,492,589,561,962.38
  5. Step 5: Solve for x
    x = 1,492,589,561,962.38/1,411,043.90
  6. Step 6: Final answer
    x = 1,057,791.02

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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.