Home / 1,310,909.16-1,809,088.11-737,969.43

Finding the Fourth Proportional to 1,310,909.16, 1,809,088.11 and 737,969.43

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Solution

The fourth proportional to 1,310,909.16, 1,809,088.11 and 737,969.43 is: 1,018,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,909.16 : 1,809,088.11 = 737,969.43 : x
  2. Step 2: Convert to fraction form
    1,310,909.16/1,809,088.11 = 737,969.43/x
  3. Step 3: Cross multiply
    1,310,909.16x = 1,809,088.11 × 737,969.43
  4. Step 4: Simplify right side
    1,310,909.16x = 1,335,051,721,356.48
  5. Step 5: Solve for x
    x = 1,335,051,721,356.48/1,310,909.16
  6. Step 6: Final answer
    x = 1,018,416.65

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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.