Home / 1,574,307.78-2,359,965.45-615,378.15

Finding the Fourth Proportional to 1,574,307.78, 2,359,965.45 and 615,378.15

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Solution

The fourth proportional to 1,574,307.78, 2,359,965.45 and 615,378.15 is: 922,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,307.78 : 2,359,965.45 = 615,378.15 : x
  2. Step 2: Convert to fraction form
    1,574,307.78/2,359,965.45 = 615,378.15/x
  3. Step 3: Cross multiply
    1,574,307.78x = 2,359,965.45 × 615,378.15
  4. Step 4: Simplify right side
    1,574,307.78x = 1,452,271,172,684.92
  5. Step 5: Solve for x
    x = 1,452,271,172,684.92/1,574,307.78
  6. Step 6: Final answer
    x = 922,482.37

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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.