Home / 1,456,881.60-2,010,252.96-812,160.48

Finding the Fourth Proportional to 1,456,881.60, 2,010,252.96 and 812,160.48

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Solution

The fourth proportional to 1,456,881.60, 2,010,252.96 and 812,160.48 is: 1,120,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,881.60 : 2,010,252.96 = 812,160.48 : x
  2. Step 2: Convert to fraction form
    1,456,881.60/2,010,252.96 = 812,160.48/x
  3. Step 3: Cross multiply
    1,456,881.60x = 2,010,252.96 × 812,160.48
  4. Step 4: Simplify right side
    1,456,881.60x = 1,632,648,008,915.02
  5. Step 5: Solve for x
    x = 1,632,648,008,915.02/1,456,881.60
  6. Step 6: Final answer
    x = 1,120,645.64

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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.