Home / 1,411,045.90-1,947,279.56-766,502.98

Finding the Fourth Proportional to 1,411,045.90, 1,947,279.56 and 766,502.98

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Solution

The fourth proportional to 1,411,045.90, 1,947,279.56 and 766,502.98 is: 1,057,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,045.90 : 1,947,279.56 = 766,502.98 : x
  2. Step 2: Convert to fraction form
    1,411,045.90/1,947,279.56 = 766,502.98/x
  3. Step 3: Cross multiply
    1,411,045.90x = 1,947,279.56 × 766,502.98
  4. Step 4: Simplify right side
    1,411,045.90x = 1,492,595,585,633.09
  5. Step 5: Solve for x
    x = 1,492,595,585,633.09/1,411,045.90
  6. Step 6: Final answer
    x = 1,057,793.79

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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.