Home / 1,492,354.40-2,059,388.80-813,276.32

Finding the Fourth Proportional to 1,492,354.40, 2,059,388.80 and 813,276.32

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Solution

The fourth proportional to 1,492,354.40, 2,059,388.80 and 813,276.32 is: 1,122,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,354.40 : 2,059,388.80 = 813,276.32 : x
  2. Step 2: Convert to fraction form
    1,492,354.40/2,059,388.80 = 813,276.32/x
  3. Step 3: Cross multiply
    1,492,354.40x = 2,059,388.80 × 813,276.32
  4. Step 4: Simplify right side
    1,492,354.40x = 1,674,852,144,713.22
  5. Step 5: Solve for x
    x = 1,674,852,144,713.22/1,492,354.40
  6. Step 6: Final answer
    x = 1,122,288.48

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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.