Home / 1,008,029.18-1,391,080.16-555,320.18

Finding the Fourth Proportional to 1,008,029.18, 1,391,080.16 and 555,320.18

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Solution

The fourth proportional to 1,008,029.18, 1,391,080.16 and 555,320.18 is: 766,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,029.18 : 1,391,080.16 = 555,320.18 : x
  2. Step 2: Convert to fraction form
    1,008,029.18/1,391,080.16 = 555,320.18/x
  3. Step 3: Cross multiply
    1,008,029.18x = 1,391,080.16 × 555,320.18
  4. Step 4: Simplify right side
    1,008,029.18x = 772,494,884,845.63
  5. Step 5: Solve for x
    x = 772,494,884,845.63/1,008,029.18
  6. Step 6: Final answer
    x = 766,341.79

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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.