Home / 1,008,207-1,391,329.98-555,488.28

Finding the Fourth Proportional to 1,008,207, 1,391,329.98 and 555,488.28

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Solution

The fourth proportional to 1,008,207, 1,391,329.98 and 555,488.28 is: 766,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,207 : 1,391,329.98 = 555,488.28 : x
  2. Step 2: Convert to fraction form
    1,008,207/1,391,329.98 = 555,488.28/x
  3. Step 3: Cross multiply
    1,008,207x = 1,391,329.98 × 555,488.28
  4. Step 4: Simplify right side
    1,008,207x = 772,867,497,502.63
  5. Step 5: Solve for x
    x = 772,867,497,502.63/1,008,207
  6. Step 6: Final answer
    x = 766,576.21

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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.