Home / 1,267,345-1,748,505.54-723,089.80

Finding the Fourth Proportional to 1,267,345, 1,748,505.54 and 723,089.80

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Solution

The fourth proportional to 1,267,345, 1,748,505.54 and 723,089.80 is: 997,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,345 : 1,748,505.54 = 723,089.80 : x
  2. Step 2: Convert to fraction form
    1,267,345/1,748,505.54 = 723,089.80/x
  3. Step 3: Cross multiply
    1,267,345x = 1,748,505.54 × 723,089.80
  4. Step 4: Simplify right side
    1,267,345x = 1,264,326,521,217.49
  5. Step 5: Solve for x
    x = 1,264,326,521,217.49/1,267,345
  6. Step 6: Final answer
    x = 997,618.27

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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.