Home / 1,292,222.42-1,783,267.02-719,250.30

Finding the Fourth Proportional to 1,292,222.42, 1,783,267.02 and 719,250.30

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Solution

The fourth proportional to 1,292,222.42, 1,783,267.02 and 719,250.30 is: 992,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,222.42 : 1,783,267.02 = 719,250.30 : x
  2. Step 2: Convert to fraction form
    1,292,222.42/1,783,267.02 = 719,250.30/x
  3. Step 3: Cross multiply
    1,292,222.42x = 1,783,267.02 × 719,250.30
  4. Step 4: Simplify right side
    1,292,222.42x = 1,282,615,339,115.11
  5. Step 5: Solve for x
    x = 1,282,615,339,115.11/1,292,222.42
  6. Step 6: Final answer
    x = 992,565.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.