Home / 1,492,356.40-2,059,391.56-813,278.32

Finding the Fourth Proportional to 1,492,356.40, 2,059,391.56 and 813,278.32

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Solution

The fourth proportional to 1,492,356.40, 2,059,391.56 and 813,278.32 is: 1,122,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,356.40 : 2,059,391.56 = 813,278.32 : x
  2. Step 2: Convert to fraction form
    1,492,356.40/2,059,391.56 = 813,278.32/x
  3. Step 3: Cross multiply
    1,492,356.40x = 2,059,391.56 × 813,278.32
  4. Step 4: Simplify right side
    1,492,356.40x = 1,674,858,508,138.98
  5. Step 5: Solve for x
    x = 1,674,858,508,138.98/1,492,356.40
  6. Step 6: Final answer
    x = 1,122,291.24

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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.