Home / 1,420,526.92-1,960,327.07-767,152.88

Finding the Fourth Proportional to 1,420,526.92, 1,960,327.07 and 767,152.88

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Solution

The fourth proportional to 1,420,526.92, 1,960,327.07 and 767,152.88 is: 1,058,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,526.92 : 1,960,327.07 = 767,152.88 : x
  2. Step 2: Convert to fraction form
    1,420,526.92/1,960,327.07 = 767,152.88/x
  3. Step 3: Cross multiply
    1,420,526.92x = 1,960,327.07 × 767,152.88
  4. Step 4: Simplify right side
    1,420,526.92x = 1,503,870,556,959.94
  5. Step 5: Solve for x
    x = 1,503,870,556,959.94/1,420,526.92
  6. Step 6: Final answer
    x = 1,058,670.93

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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.