Home / 1,087,257.80-1,630,886.70-377,211.80

Finding the Fourth Proportional to 1,087,257.80, 1,630,886.70 and 377,211.80

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Solution

The fourth proportional to 1,087,257.80, 1,630,886.70 and 377,211.80 is: 565,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,257.80 : 1,630,886.70 = 377,211.80 : x
  2. Step 2: Convert to fraction form
    1,087,257.80/1,630,886.70 = 377,211.80/x
  3. Step 3: Cross multiply
    1,087,257.80x = 1,630,886.70 × 377,211.80
  4. Step 4: Simplify right side
    1,087,257.80x = 615,189,707,703.06
  5. Step 5: Solve for x
    x = 615,189,707,703.06/1,087,257.80
  6. Step 6: Final answer
    x = 565,817.70

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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.