Home / 1,088,712.72-1,502,507.34-605,317.68

Finding the Fourth Proportional to 1,088,712.72, 1,502,507.34 and 605,317.68

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Solution

The fourth proportional to 1,088,712.72, 1,502,507.34 and 605,317.68 is: 835,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,712.72 : 1,502,507.34 = 605,317.68 : x
  2. Step 2: Convert to fraction form
    1,088,712.72/1,502,507.34 = 605,317.68/x
  3. Step 3: Cross multiply
    1,088,712.72x = 1,502,507.34 × 605,317.68
  4. Step 4: Simplify right side
    1,088,712.72x = 909,494,257,231.77
  5. Step 5: Solve for x
    x = 909,494,257,231.77/1,088,712.72
  6. Step 6: Final answer
    x = 835,384.98

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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.