Home / 970,252.80-1,455,638.40-865,795.20

Finding the Fourth Proportional to 970,252.80, 1,455,638.40 and 865,795.20

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Solution

The fourth proportional to 970,252.80, 1,455,638.40 and 865,795.20 is: 1,298,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,252.80 : 1,455,638.40 = 865,795.20 : x
  2. Step 2: Convert to fraction form
    970,252.80/1,455,638.40 = 865,795.20/x
  3. Step 3: Cross multiply
    970,252.80x = 1,455,638.40 × 865,795.20
  4. Step 4: Simplify right side
    970,252.80x = 1,260,284,739,655.68
  5. Step 5: Solve for x
    x = 1,260,284,739,655.68/970,252.80
  6. Step 6: Final answer
    x = 1,298,924.09

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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.