Home / 1,438,434.90-2,159,985.15-967,209.30

Finding the Fourth Proportional to 1,438,434.90, 2,159,985.15 and 967,209.30

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Solution

The fourth proportional to 1,438,434.90, 2,159,985.15 and 967,209.30 is: 1,452,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,434.90 : 2,159,985.15 = 967,209.30 : x
  2. Step 2: Convert to fraction form
    1,438,434.90/2,159,985.15 = 967,209.30/x
  3. Step 3: Cross multiply
    1,438,434.90x = 2,159,985.15 × 967,209.30
  4. Step 4: Simplify right side
    1,438,434.90x = 2,089,157,724,941.90
  5. Step 5: Solve for x
    x = 2,089,157,724,941.90/1,438,434.90
  6. Step 6: Final answer
    x = 1,452,382.53

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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.