Home / 1,015,249.14-1,401,045.46-556,290.79

Finding the Fourth Proportional to 1,015,249.14, 1,401,045.46 and 556,290.79

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Solution

The fourth proportional to 1,015,249.14, 1,401,045.46 and 556,290.79 is: 767,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,249.14 : 1,401,045.46 = 556,290.79 : x
  2. Step 2: Convert to fraction form
    1,015,249.14/1,401,045.46 = 556,290.79/x
  3. Step 3: Cross multiply
    1,015,249.14x = 1,401,045.46 × 556,290.79
  4. Step 4: Simplify right side
    1,015,249.14x = 779,388,680,875.97
  5. Step 5: Solve for x
    x = 779,388,680,875.97/1,015,249.14
  6. Step 6: Final answer
    x = 767,682.19

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1.5x scale

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.