Home / 1,407,507.81-1,942,364.07-762,925.10

Finding the Fourth Proportional to 1,407,507.81, 1,942,364.07 and 762,925.10

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Solution

The fourth proportional to 1,407,507.81, 1,942,364.07 and 762,925.10 is: 1,052,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,507.81 : 1,942,364.07 = 762,925.10 : x
  2. Step 2: Convert to fraction form
    1,407,507.81/1,942,364.07 = 762,925.10/x
  3. Step 3: Cross multiply
    1,407,507.81x = 1,942,364.07 × 762,925.10
  4. Step 4: Simplify right side
    1,407,507.81x = 1,481,878,292,629.34
  5. Step 5: Solve for x
    x = 1,481,878,292,629.34/1,407,507.81
  6. Step 6: Final answer
    x = 1,052,838.42

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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.