Home / 1,403,256.60-2,105,105.40-456,405.96

Finding the Fourth Proportional to 1,403,256.60, 2,105,105.40 and 456,405.96

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Solution

The fourth proportional to 1,403,256.60, 2,105,105.40 and 456,405.96 is: 684,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,256.60 : 2,105,105.40 = 456,405.96 : x
  2. Step 2: Convert to fraction form
    1,403,256.60/2,105,105.40 = 456,405.96/x
  3. Step 3: Cross multiply
    1,403,256.60x = 2,105,105.40 × 456,405.96
  4. Step 4: Simplify right side
    1,403,256.60x = 960,782,650,988.18
  5. Step 5: Solve for x
    x = 960,782,650,988.18/1,403,256.60
  6. Step 6: Final answer
    x = 684,680.66

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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.