Home / 1,287,828.67-1,931,743.02-446,380.42

Finding the Fourth Proportional to 1,287,828.67, 1,931,743.02 and 446,380.42

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Solution

The fourth proportional to 1,287,828.67, 1,931,743.02 and 446,380.42 is: 669,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,828.67 : 1,931,743.02 = 446,380.42 : x
  2. Step 2: Convert to fraction form
    1,287,828.67/1,931,743.02 = 446,380.42/x
  3. Step 3: Cross multiply
    1,287,828.67x = 1,931,743.02 × 446,380.42
  4. Step 4: Simplify right side
    1,287,828.67x = 862,292,260,599.67
  5. Step 5: Solve for x
    x = 862,292,260,599.67/1,287,828.67
  6. Step 6: Final answer
    x = 669,570.64

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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.