Home / 1,087,320.92-1,630,565.85-357,674.39

Finding the Fourth Proportional to 1,087,320.92, 1,630,565.85 and 357,674.39

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Solution

The fourth proportional to 1,087,320.92, 1,630,565.85 and 357,674.39 is: 536,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,320.92 : 1,630,565.85 = 357,674.39 : x
  2. Step 2: Convert to fraction form
    1,087,320.92/1,630,565.85 = 357,674.39/x
  3. Step 3: Cross multiply
    1,087,320.92x = 1,630,565.85 × 357,674.39
  4. Step 4: Simplify right side
    1,087,320.92x = 583,211,637,600.75
  5. Step 5: Solve for x
    x = 583,211,637,600.75/1,087,320.92
  6. Step 6: Final answer
    x = 536,374.89

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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.