Home / 1,030,148.46-1,421,600.40-577,439.46

Finding the Fourth Proportional to 1,030,148.46, 1,421,600.40 and 577,439.46

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Solution

The fourth proportional to 1,030,148.46, 1,421,600.40 and 577,439.46 is: 796,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,148.46 : 1,421,600.40 = 577,439.46 : x
  2. Step 2: Convert to fraction form
    1,030,148.46/1,421,600.40 = 577,439.46/x
  3. Step 3: Cross multiply
    1,030,148.46x = 1,421,600.40 × 577,439.46
  4. Step 4: Simplify right side
    1,030,148.46x = 820,888,167,311.78
  5. Step 5: Solve for x
    x = 820,888,167,311.78/1,030,148.46
  6. Step 6: Final answer
    x = 796,863.95

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Double scale
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1.5x scale

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.