Home / 1,364,903.76-2,047,655.16-418,345.68

Finding the Fourth Proportional to 1,364,903.76, 2,047,655.16 and 418,345.68

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Solution

The fourth proportional to 1,364,903.76, 2,047,655.16 and 418,345.68 is: 627,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,903.76 : 2,047,655.16 = 418,345.68 : x
  2. Step 2: Convert to fraction form
    1,364,903.76/2,047,655.16 = 418,345.68/x
  3. Step 3: Cross multiply
    1,364,903.76x = 2,047,655.16 × 418,345.68
  4. Step 4: Simplify right side
    1,364,903.76x = 856,627,690,315.71
  5. Step 5: Solve for x
    x = 856,627,690,315.71/1,364,903.76
  6. Step 6: Final answer
    x = 627,610.32

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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.