Home / 1,087,064.90-1,630,091.12-403,475.70

Finding the Fourth Proportional to 1,087,064.90, 1,630,091.12 and 403,475.70

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Solution

The fourth proportional to 1,087,064.90, 1,630,091.12 and 403,475.70 is: 605,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,064.90 : 1,630,091.12 = 403,475.70 : x
  2. Step 2: Convert to fraction form
    1,087,064.90/1,630,091.12 = 403,475.70/x
  3. Step 3: Cross multiply
    1,087,064.90x = 1,630,091.12 × 403,475.70
  4. Step 4: Simplify right side
    1,087,064.90x = 657,702,155,705.78
  5. Step 5: Solve for x
    x = 657,702,155,705.78/1,087,064.90
  6. Step 6: Final answer
    x = 605,025.66

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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.