Home / 1,266,783.48-1,748,286.85-723,001.62

Finding the Fourth Proportional to 1,266,783.48, 1,748,286.85 and 723,001.62

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Solution

The fourth proportional to 1,266,783.48, 1,748,286.85 and 723,001.62 is: 997,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,783.48 : 1,748,286.85 = 723,001.62 : x
  2. Step 2: Convert to fraction form
    1,266,783.48/1,748,286.85 = 723,001.62/x
  3. Step 3: Cross multiply
    1,266,783.48x = 1,748,286.85 × 723,001.62
  4. Step 4: Simplify right side
    1,266,783.48x = 1,264,014,216,033.26
  5. Step 5: Solve for x
    x = 1,264,014,216,033.26/1,266,783.48
  6. Step 6: Final answer
    x = 997,813.94

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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.