Home / 1,574,310.78-2,359,969.94-615,381.16

Finding the Fourth Proportional to 1,574,310.78, 2,359,969.94 and 615,381.16

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Solution

The fourth proportional to 1,574,310.78, 2,359,969.94 and 615,381.16 is: 922,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,310.78 : 2,359,969.94 = 615,381.16 : x
  2. Step 2: Convert to fraction form
    1,574,310.78/2,359,969.94 = 615,381.16/x
  3. Step 3: Cross multiply
    1,574,310.78x = 2,359,969.94 × 615,381.16
  4. Step 4: Simplify right side
    1,574,310.78x = 1,452,281,039,242.33
  5. Step 5: Solve for x
    x = 1,452,281,039,242.33/1,574,310.78
  6. Step 6: Final answer
    x = 922,486.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.