Home / 1,117,628.28-1,683,909.92-1,011,147.34

Finding the Fourth Proportional to 1,117,628.28, 1,683,909.92 and 1,011,147.34

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Solution

The fourth proportional to 1,117,628.28, 1,683,909.92 and 1,011,147.34 is: 1,523,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,628.28 : 1,683,909.92 = 1,011,147.34 : x
  2. Step 2: Convert to fraction form
    1,117,628.28/1,683,909.92 = 1,011,147.34/x
  3. Step 3: Cross multiply
    1,117,628.28x = 1,683,909.92 × 1,011,147.34
  4. Step 4: Simplify right side
    1,117,628.28x = 1,702,681,036,407.61
  5. Step 5: Solve for x
    x = 1,702,681,036,407.61/1,117,628.28
  6. Step 6: Final answer
    x = 1,523,477.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.