Home / 1,030,324.32-1,421,826.39-571,364.87

Finding the Fourth Proportional to 1,030,324.32, 1,421,826.39 and 571,364.87

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Solution

The fourth proportional to 1,030,324.32, 1,421,826.39 and 571,364.87 is: 788,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,324.32 : 1,421,826.39 = 571,364.87 : x
  2. Step 2: Convert to fraction form
    1,030,324.32/1,421,826.39 = 571,364.87/x
  3. Step 3: Cross multiply
    1,030,324.32x = 1,421,826.39 × 571,364.87
  4. Step 4: Simplify right side
    1,030,324.32x = 812,381,643,375.79
  5. Step 5: Solve for x
    x = 812,381,643,375.79/1,030,324.32
  6. Step 6: Final answer
    x = 788,471.77

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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.