Home / 1,403,938.25-1,937,434.91-759,358.47

Finding the Fourth Proportional to 1,403,938.25, 1,937,434.91 and 759,358.47

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Solution

The fourth proportional to 1,403,938.25, 1,937,434.91 and 759,358.47 is: 1,047,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,938.25 : 1,937,434.91 = 759,358.47 : x
  2. Step 2: Convert to fraction form
    1,403,938.25/1,937,434.91 = 759,358.47/x
  3. Step 3: Cross multiply
    1,403,938.25x = 1,937,434.91 × 759,358.47
  4. Step 4: Simplify right side
    1,403,938.25x = 1,471,207,605,185.40
  5. Step 5: Solve for x
    x = 1,471,207,605,185.40/1,403,938.25
  6. Step 6: Final answer
    x = 1,047,914.76

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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.