Home / 1,142,275.76-1,576,349.94-632,986.64

Finding the Fourth Proportional to 1,142,275.76, 1,576,349.94 and 632,986.64

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Solution

The fourth proportional to 1,142,275.76, 1,576,349.94 and 632,986.64 is: 873,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,275.76 : 1,576,349.94 = 632,986.64 : x
  2. Step 2: Convert to fraction form
    1,142,275.76/1,576,349.94 = 632,986.64/x
  3. Step 3: Cross multiply
    1,142,275.76x = 1,576,349.94 × 632,986.64
  4. Step 4: Simplify right side
    1,142,275.76x = 997,808,451,984.80
  5. Step 5: Solve for x
    x = 997,808,451,984.80/1,142,275.76
  6. Step 6: Final answer
    x = 873,526.77

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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.