Home / 1,008,324-1,391,516.40-555,644.16

Finding the Fourth Proportional to 1,008,324, 1,391,516.40 and 555,644.16

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Solution

The fourth proportional to 1,008,324, 1,391,516.40 and 555,644.16 is: 766,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,324 : 1,391,516.40 = 555,644.16 : x
  2. Step 2: Convert to fraction form
    1,008,324/1,391,516.40 = 555,644.16/x
  3. Step 3: Cross multiply
    1,008,324x = 1,391,516.40 × 555,644.16
  4. Step 4: Simplify right side
    1,008,324x = 773,187,961,204.22
  5. Step 5: Solve for x
    x = 773,187,961,204.22/1,008,324
  6. Step 6: Final answer
    x = 766,805.08

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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.