Home / 1,272,477.96-1,908,402.12-760,282.92

Finding the Fourth Proportional to 1,272,477.96, 1,908,402.12 and 760,282.92

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Solution

The fourth proportional to 1,272,477.96, 1,908,402.12 and 760,282.92 is: 1,140,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,477.96 : 1,908,402.12 = 760,282.92 : x
  2. Step 2: Convert to fraction form
    1,272,477.96/1,908,402.12 = 760,282.92/x
  3. Step 3: Cross multiply
    1,272,477.96x = 1,908,402.12 × 760,282.92
  4. Step 4: Simplify right side
    1,272,477.96x = 1,450,925,536,327.79
  5. Step 5: Solve for x
    x = 1,450,925,536,327.79/1,272,477.96
  6. Step 6: Final answer
    x = 1,140,236.28

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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.