Home / 1,316,681.09-1,817,167.67-743,758.16

Finding the Fourth Proportional to 1,316,681.09, 1,817,167.67 and 743,758.16

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Solution

The fourth proportional to 1,316,681.09, 1,817,167.67 and 743,758.16 is: 1,026,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,681.09 : 1,817,167.67 = 743,758.16 : x
  2. Step 2: Convert to fraction form
    1,316,681.09/1,817,167.67 = 743,758.16/x
  3. Step 3: Cross multiply
    1,316,681.09x = 1,817,167.67 × 743,758.16
  4. Step 4: Simplify right side
    1,316,681.09x = 1,351,533,269,846.06
  5. Step 5: Solve for x
    x = 1,351,533,269,846.06/1,316,681.09
  6. Step 6: Final answer
    x = 1,026,469.72

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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.