Home / 1,267,601.81-1,749,275.60-686,813.58

Finding the Fourth Proportional to 1,267,601.81, 1,749,275.60 and 686,813.58

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Solution

The fourth proportional to 1,267,601.81, 1,749,275.60 and 686,813.58 is: 947,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,601.81 : 1,749,275.60 = 686,813.58 : x
  2. Step 2: Convert to fraction form
    1,267,601.81/1,749,275.60 = 686,813.58/x
  3. Step 3: Cross multiply
    1,267,601.81x = 1,749,275.60 × 686,813.58
  4. Step 4: Simplify right side
    1,267,601.81x = 1,201,426,233,808.58
  5. Step 5: Solve for x
    x = 1,201,426,233,808.58/1,267,601.81
  6. Step 6: Final answer
    x = 947,794.67

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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.