Home / 1,224,041.06-1,689,142.93-680,162.92

Finding the Fourth Proportional to 1,224,041.06, 1,689,142.93 and 680,162.92

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Solution

The fourth proportional to 1,224,041.06, 1,689,142.93 and 680,162.92 is: 938,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,041.06 : 1,689,142.93 = 680,162.92 : x
  2. Step 2: Convert to fraction form
    1,224,041.06/1,689,142.93 = 680,162.92/x
  3. Step 3: Cross multiply
    1,224,041.06x = 1,689,142.93 × 680,162.92
  4. Step 4: Simplify right side
    1,224,041.06x = 1,148,892,387,566.16
  5. Step 5: Solve for x
    x = 1,148,892,387,566.16/1,224,041.06
  6. Step 6: Final answer
    x = 938,606.09

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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.