Home / 1,087,890.30-1,630,820.89-367,730.94

Finding the Fourth Proportional to 1,087,890.30, 1,630,820.89 and 367,730.94

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Solution

The fourth proportional to 1,087,890.30, 1,630,820.89 and 367,730.94 is: 551,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,890.30 : 1,630,820.89 = 367,730.94 : x
  2. Step 2: Convert to fraction form
    1,087,890.30/1,630,820.89 = 367,730.94/x
  3. Step 3: Cross multiply
    1,087,890.30x = 1,630,820.89 × 367,730.94
  4. Step 4: Simplify right side
    1,087,890.30x = 599,703,298,851.34
  5. Step 5: Solve for x
    x = 599,703,298,851.34/1,087,890.30
  6. Step 6: Final answer
    x = 551,253.47

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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.