Home / 942,390.36-1,402,926.90-936,785.36

Finding the Fourth Proportional to 942,390.36, 1,402,926.90 and 936,785.36

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Solution

The fourth proportional to 942,390.36, 1,402,926.90 and 936,785.36 is: 1,394,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,390.36 : 1,402,926.90 = 936,785.36 : x
  2. Step 2: Convert to fraction form
    942,390.36/1,402,926.90 = 936,785.36/x
  3. Step 3: Cross multiply
    942,390.36x = 1,402,926.90 × 936,785.36
  4. Step 4: Simplify right side
    942,390.36x = 1,314,241,381,070.18
  5. Step 5: Solve for x
    x = 1,314,241,381,070.18/942,390.36
  6. Step 6: Final answer
    x = 1,394,582.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.