Home / 1,492,374.32-2,059,416.48-813,296.24

Finding the Fourth Proportional to 1,492,374.32, 2,059,416.48 and 813,296.24

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Solution

The fourth proportional to 1,492,374.32, 2,059,416.48 and 813,296.24 is: 1,122,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,374.32 : 2,059,416.48 = 813,296.24 : x
  2. Step 2: Convert to fraction form
    1,492,374.32/2,059,416.48 = 813,296.24/x
  3. Step 3: Cross multiply
    1,492,374.32x = 2,059,416.48 × 813,296.24
  4. Step 4: Simplify right side
    1,492,374.32x = 1,674,915,679,778.04
  5. Step 5: Solve for x
    x = 1,674,915,679,778.04/1,492,374.32
  6. Step 6: Final answer
    x = 1,122,316.07

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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.