Home / 1,118,314.14-1,677,424.36-360,138.83

Finding the Fourth Proportional to 1,118,314.14, 1,677,424.36 and 360,138.83

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Solution

The fourth proportional to 1,118,314.14, 1,677,424.36 and 360,138.83 is: 540,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,314.14 : 1,677,424.36 = 360,138.83 : x
  2. Step 2: Convert to fraction form
    1,118,314.14/1,677,424.36 = 360,138.83/x
  3. Step 3: Cross multiply
    1,118,314.14x = 1,677,424.36 × 360,138.83
  4. Step 4: Simplify right side
    1,118,314.14x = 604,105,644,777.29
  5. Step 5: Solve for x
    x = 604,105,644,777.29/1,118,314.14
  6. Step 6: Final answer
    x = 540,193.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.