Home / 1,427,211.40-2,140,817.10-586,366.60

Finding the Fourth Proportional to 1,427,211.40, 2,140,817.10 and 586,366.60

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Solution

The fourth proportional to 1,427,211.40, 2,140,817.10 and 586,366.60 is: 879,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,211.40 : 2,140,817.10 = 586,366.60 : x
  2. Step 2: Convert to fraction form
    1,427,211.40/2,140,817.10 = 586,366.60/x
  3. Step 3: Cross multiply
    1,427,211.40x = 2,140,817.10 × 586,366.60
  4. Step 4: Simplify right side
    1,427,211.40x = 1,255,303,644,148.86
  5. Step 5: Solve for x
    x = 1,255,303,644,148.86/1,427,211.40
  6. Step 6: Final answer
    x = 879,549.90

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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.