Home / 1,008,029.51-1,391,080.31-555,320.51

Finding the Fourth Proportional to 1,008,029.51, 1,391,080.31 and 555,320.51

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Solution

The fourth proportional to 1,008,029.51, 1,391,080.31 and 555,320.51 is: 766,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,029.51 : 1,391,080.31 = 555,320.51 : x
  2. Step 2: Convert to fraction form
    1,008,029.51/1,391,080.31 = 555,320.51/x
  3. Step 3: Cross multiply
    1,008,029.51x = 1,391,080.31 × 555,320.51
  4. Step 4: Simplify right side
    1,008,029.51x = 772,495,420,244.76
  5. Step 5: Solve for x
    x = 772,495,420,244.76/1,008,029.51
  6. Step 6: Final answer
    x = 766,342.07

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Double scale
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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.