Home / 1,095,402.60-1,640,339.10-719,389.80

Finding the Fourth Proportional to 1,095,402.60, 1,640,339.10 and 719,389.80

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Solution

The fourth proportional to 1,095,402.60, 1,640,339.10 and 719,389.80 is: 1,077,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,402.60 : 1,640,339.10 = 719,389.80 : x
  2. Step 2: Convert to fraction form
    1,095,402.60/1,640,339.10 = 719,389.80/x
  3. Step 3: Cross multiply
    1,095,402.60x = 1,640,339.10 × 719,389.80
  4. Step 4: Simplify right side
    1,095,402.60x = 1,180,043,217,081.18
  5. Step 5: Solve for x
    x = 1,180,043,217,081.18/1,095,402.60
  6. Step 6: Final answer
    x = 1,077,268.96

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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.