Home / 1,087,228.60-1,630,842.90-910,081.60

Finding the Fourth Proportional to 1,087,228.60, 1,630,842.90 and 910,081.60

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Solution

The fourth proportional to 1,087,228.60, 1,630,842.90 and 910,081.60 is: 1,365,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,228.60 : 1,630,842.90 = 910,081.60 : x
  2. Step 2: Convert to fraction form
    1,087,228.60/1,630,842.90 = 910,081.60/x
  3. Step 3: Cross multiply
    1,087,228.60x = 1,630,842.90 × 910,081.60
  4. Step 4: Simplify right side
    1,087,228.60x = 1,484,200,115,780.64
  5. Step 5: Solve for x
    x = 1,484,200,115,780.64/1,087,228.60
  6. Step 6: Final answer
    x = 1,365,122.40

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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.