Home / 1,138,338.84-1,570,908.15-629,041.22

Finding the Fourth Proportional to 1,138,338.84, 1,570,908.15 and 629,041.22

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Solution

The fourth proportional to 1,138,338.84, 1,570,908.15 and 629,041.22 is: 868,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,338.84 : 1,570,908.15 = 629,041.22 : x
  2. Step 2: Convert to fraction form
    1,138,338.84/1,570,908.15 = 629,041.22/x
  3. Step 3: Cross multiply
    1,138,338.84x = 1,570,908.15 × 629,041.22
  4. Step 4: Simplify right side
    1,138,338.84x = 988,165,971,329.40
  5. Step 5: Solve for x
    x = 988,165,971,329.40/1,138,338.84
  6. Step 6: Final answer
    x = 868,077.18

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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.