Home / 1,260,451.80-1,739,570.55-716,669.07

Finding the Fourth Proportional to 1,260,451.80, 1,739,570.55 and 716,669.07

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Solution

The fourth proportional to 1,260,451.80, 1,739,570.55 and 716,669.07 is: 989,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,451.80 : 1,739,570.55 = 716,669.07 : x
  2. Step 2: Convert to fraction form
    1,260,451.80/1,739,570.55 = 716,669.07/x
  3. Step 3: Cross multiply
    1,260,451.80x = 1,739,570.55 × 716,669.07
  4. Step 4: Simplify right side
    1,260,451.80x = 1,246,696,408,267.89
  5. Step 5: Solve for x
    x = 1,246,696,408,267.89/1,260,451.80
  6. Step 6: Final answer
    x = 989,086.94

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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.