Home / 1,200,614.55-1,657,270.31-742,080.84

Finding the Fourth Proportional to 1,200,614.55, 1,657,270.31 and 742,080.84

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Solution

The fourth proportional to 1,200,614.55, 1,657,270.31 and 742,080.84 is: 1,024,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,614.55 : 1,657,270.31 = 742,080.84 : x
  2. Step 2: Convert to fraction form
    1,200,614.55/1,657,270.31 = 742,080.84/x
  3. Step 3: Cross multiply
    1,200,614.55x = 1,657,270.31 × 742,080.84
  4. Step 4: Simplify right side
    1,200,614.55x = 1,229,828,540,041.46
  5. Step 5: Solve for x
    x = 1,229,828,540,041.46/1,200,614.55
  6. Step 6: Final answer
    x = 1,024,332.53

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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.