Home / 1,312,658.40-1,969,266.24-414,359.76

Finding the Fourth Proportional to 1,312,658.40, 1,969,266.24 and 414,359.76

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Solution

The fourth proportional to 1,312,658.40, 1,969,266.24 and 414,359.76 is: 621,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,658.40 : 1,969,266.24 = 414,359.76 : x
  2. Step 2: Convert to fraction form
    1,312,658.40/1,969,266.24 = 414,359.76/x
  3. Step 3: Cross multiply
    1,312,658.40x = 1,969,266.24 × 414,359.76
  4. Step 4: Simplify right side
    1,312,658.40x = 815,984,686,582.50
  5. Step 5: Solve for x
    x = 815,984,686,582.50/1,312,658.40
  6. Step 6: Final answer
    x = 621,627.60

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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.