Home / 1,008,860.70-1,392,218.63-556,151.70

Finding the Fourth Proportional to 1,008,860.70, 1,392,218.63 and 556,151.70

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Solution

The fourth proportional to 1,008,860.70, 1,392,218.63 and 556,151.70 is: 767,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,860.70 : 1,392,218.63 = 556,151.70 : x
  2. Step 2: Convert to fraction form
    1,008,860.70/1,392,218.63 = 556,151.70/x
  3. Step 3: Cross multiply
    1,008,860.70x = 1,392,218.63 × 556,151.70
  4. Step 4: Simplify right side
    1,008,860.70x = 774,284,765,500.16
  5. Step 5: Solve for x
    x = 774,284,765,500.16/1,008,860.70
  6. Step 6: Final answer
    x = 767,484.31

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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.