Home / 1,411,043.40-1,947,276.11-766,500.48

Finding the Fourth Proportional to 1,411,043.40, 1,947,276.11 and 766,500.48

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Solution

The fourth proportional to 1,411,043.40, 1,947,276.11 and 766,500.48 is: 1,057,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,043.40 : 1,947,276.11 = 766,500.48 : x
  2. Step 2: Convert to fraction form
    1,411,043.40/1,947,276.11 = 766,500.48/x
  3. Step 3: Cross multiply
    1,411,043.40x = 1,947,276.11 × 766,500.48
  4. Step 4: Simplify right side
    1,411,043.40x = 1,492,588,073,007.53
  5. Step 5: Solve for x
    x = 1,492,588,073,007.53/1,411,043.40
  6. Step 6: Final answer
    x = 1,057,790.34

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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.