Home / 1,263,426.15-1,894,931.57-453,642.87

Finding the Fourth Proportional to 1,263,426.15, 1,894,931.57 and 453,642.87

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Solution

The fourth proportional to 1,263,426.15, 1,894,931.57 and 453,642.87 is: 680,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,426.15 : 1,894,931.57 = 453,642.87 : x
  2. Step 2: Convert to fraction form
    1,263,426.15/1,894,931.57 = 453,642.87/x
  3. Step 3: Cross multiply
    1,263,426.15x = 1,894,931.57 × 453,642.87
  4. Step 4: Simplify right side
    1,263,426.15x = 859,622,193,600.19
  5. Step 5: Solve for x
    x = 859,622,193,600.19/1,263,426.15
  6. Step 6: Final answer
    x = 680,389.74

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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.