Home / 1,267,107.73-1,748,594.66-686,316.47

Finding the Fourth Proportional to 1,267,107.73, 1,748,594.66 and 686,316.47

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Solution

The fourth proportional to 1,267,107.73, 1,748,594.66 and 686,316.47 is: 947,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,107.73 : 1,748,594.66 = 686,316.47 : x
  2. Step 2: Convert to fraction form
    1,267,107.73/1,748,594.66 = 686,316.47/x
  3. Step 3: Cross multiply
    1,267,107.73x = 1,748,594.66 × 686,316.47
  4. Step 4: Simplify right side
    1,267,107.73x = 1,200,089,302,337.49
  5. Step 5: Solve for x
    x = 1,200,089,302,337.49/1,267,107.73
  6. Step 6: Final answer
    x = 947,109.13

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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.