Home / 1,212,621.90-1,816,308.45-651,000.30

Finding the Fourth Proportional to 1,212,621.90, 1,816,308.45 and 651,000.30

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Solution

The fourth proportional to 1,212,621.90, 1,816,308.45 and 651,000.30 is: 975,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,621.90 : 1,816,308.45 = 651,000.30 : x
  2. Step 2: Convert to fraction form
    1,212,621.90/1,816,308.45 = 651,000.30/x
  3. Step 3: Cross multiply
    1,212,621.90x = 1,816,308.45 × 651,000.30
  4. Step 4: Simplify right side
    1,212,621.90x = 1,182,417,345,842.54
  5. Step 5: Solve for x
    x = 1,182,417,345,842.54/1,212,621.90
  6. Step 6: Final answer
    x = 975,091.53

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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.