Home / 1,551,214.50-2,140,702.74-862,941.30

Finding the Fourth Proportional to 1,551,214.50, 2,140,702.74 and 862,941.30

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Solution

The fourth proportional to 1,551,214.50, 2,140,702.74 and 862,941.30 is: 1,190,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,214.50 : 2,140,702.74 = 862,941.30 : x
  2. Step 2: Convert to fraction form
    1,551,214.50/2,140,702.74 = 862,941.30/x
  3. Step 3: Cross multiply
    1,551,214.50x = 2,140,702.74 × 862,941.30
  4. Step 4: Simplify right side
    1,551,214.50x = 1,847,300,805,369.16
  5. Step 5: Solve for x
    x = 1,847,300,805,369.16/1,551,214.50
  6. Step 6: Final answer
    x = 1,190,873.86

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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.