Home / 1,087,259.40-1,630,889.10-456,625.80

Finding the Fourth Proportional to 1,087,259.40, 1,630,889.10 and 456,625.80

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Solution

The fourth proportional to 1,087,259.40, 1,630,889.10 and 456,625.80 is: 684,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,259.40 : 1,630,889.10 = 456,625.80 : x
  2. Step 2: Convert to fraction form
    1,087,259.40/1,630,889.10 = 456,625.80/x
  3. Step 3: Cross multiply
    1,087,259.40x = 1,630,889.10 × 456,625.80
  4. Step 4: Simplify right side
    1,087,259.40x = 744,706,039,998.78
  5. Step 5: Solve for x
    x = 744,706,039,998.78/1,087,259.40
  6. Step 6: Final answer
    x = 684,938.70

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Double scale
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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.