Home / 1,678,348.79-2,316,040.74-953,100.71

Finding the Fourth Proportional to 1,678,348.79, 2,316,040.74 and 953,100.71

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Solution

The fourth proportional to 1,678,348.79, 2,316,040.74 and 953,100.71 is: 1,315,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,348.79 : 2,316,040.74 = 953,100.71 : x
  2. Step 2: Convert to fraction form
    1,678,348.79/2,316,040.74 = 953,100.71/x
  3. Step 3: Cross multiply
    1,678,348.79x = 2,316,040.74 × 953,100.71
  4. Step 4: Simplify right side
    1,678,348.79x = 2,207,420,073,682.93
  5. Step 5: Solve for x
    x = 2,207,420,073,682.93/1,678,348.79
  6. Step 6: Final answer
    x = 1,315,233.21

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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.