Home / 1,008,860.31-1,392,206.67-556,151.31

Finding the Fourth Proportional to 1,008,860.31, 1,392,206.67 and 556,151.31

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Solution

The fourth proportional to 1,008,860.31, 1,392,206.67 and 556,151.31 is: 767,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,860.31 : 1,392,206.67 = 556,151.31 : x
  2. Step 2: Convert to fraction form
    1,008,860.31/1,392,206.67 = 556,151.31/x
  3. Step 3: Cross multiply
    1,008,860.31x = 1,392,206.67 × 556,151.31
  4. Step 4: Simplify right side
    1,008,860.31x = 774,277,563,311.24
  5. Step 5: Solve for x
    x = 774,277,563,311.24/1,008,860.31
  6. Step 6: Final answer
    x = 767,477.47

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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.