Home / 1,307,698.48-1,805,429.01-1,036,860.40

Finding the Fourth Proportional to 1,307,698.48, 1,805,429.01 and 1,036,860.40

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Solution

The fourth proportional to 1,307,698.48, 1,805,429.01 and 1,036,860.40 is: 1,431,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,698.48 : 1,805,429.01 = 1,036,860.40 : x
  2. Step 2: Convert to fraction form
    1,307,698.48/1,805,429.01 = 1,036,860.40/x
  3. Step 3: Cross multiply
    1,307,698.48x = 1,805,429.01 × 1,036,860.40
  4. Step 4: Simplify right side
    1,307,698.48x = 1,871,977,845,480.20
  5. Step 5: Solve for x
    x = 1,871,977,845,480.20/1,307,698.48
  6. Step 6: Final answer
    x = 1,431,505.71

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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.