Home / 1,087,086.52-1,630,830.21-357,650.77

Finding the Fourth Proportional to 1,087,086.52, 1,630,830.21 and 357,650.77

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Solution

The fourth proportional to 1,087,086.52, 1,630,830.21 and 357,650.77 is: 536,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,086.52 : 1,630,830.21 = 357,650.77 : x
  2. Step 2: Convert to fraction form
    1,087,086.52/1,630,830.21 = 357,650.77/x
  3. Step 3: Cross multiply
    1,087,086.52x = 1,630,830.21 × 357,650.77
  4. Step 4: Simplify right side
    1,087,086.52x = 583,267,680,345.76
  5. Step 5: Solve for x
    x = 583,267,680,345.76/1,087,086.52
  6. Step 6: Final answer
    x = 536,542.10

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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.