Home / 1,008,035.76-1,391,089.28-555,326.76

Finding the Fourth Proportional to 1,008,035.76, 1,391,089.28 and 555,326.76

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Solution

The fourth proportional to 1,008,035.76, 1,391,089.28 and 555,326.76 is: 766,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,035.76 : 1,391,089.28 = 555,326.76 : x
  2. Step 2: Convert to fraction form
    1,008,035.76/1,391,089.28 = 555,326.76/x
  3. Step 3: Cross multiply
    1,008,035.76x = 1,391,089.28 × 555,326.76
  4. Step 4: Simplify right side
    1,008,035.76x = 772,509,102,733.13
  5. Step 5: Solve for x
    x = 772,509,102,733.13/1,008,035.76
  6. Step 6: Final answer
    x = 766,350.89

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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.