Home / 1,332,002.90-1,998,004.35-1,209,968.30

Finding the Fourth Proportional to 1,332,002.90, 1,998,004.35 and 1,209,968.30

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Solution

The fourth proportional to 1,332,002.90, 1,998,004.35 and 1,209,968.30 is: 1,814,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,002.90 : 1,998,004.35 = 1,209,968.30 : x
  2. Step 2: Convert to fraction form
    1,332,002.90/1,998,004.35 = 1,209,968.30/x
  3. Step 3: Cross multiply
    1,332,002.90x = 1,998,004.35 × 1,209,968.30
  4. Step 4: Simplify right side
    1,332,002.90x = 2,417,521,926,762.11
  5. Step 5: Solve for x
    x = 2,417,521,926,762.11/1,332,002.90
  6. Step 6: Final answer
    x = 1,814,952.45

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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.