Home / 1,375,043.36-1,897,580.05-763,235.51

Finding the Fourth Proportional to 1,375,043.36, 1,897,580.05 and 763,235.51

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Solution

The fourth proportional to 1,375,043.36, 1,897,580.05 and 763,235.51 is: 1,053,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,043.36 : 1,897,580.05 = 763,235.51 : x
  2. Step 2: Convert to fraction form
    1,375,043.36/1,897,580.05 = 763,235.51/x
  3. Step 3: Cross multiply
    1,375,043.36x = 1,897,580.05 × 763,235.51
  4. Step 4: Simplify right side
    1,375,043.36x = 1,448,300,465,831.59
  5. Step 5: Solve for x
    x = 1,448,300,465,831.59/1,375,043.36
  6. Step 6: Final answer
    x = 1,053,276.22

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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.