Home / 1,035,421.80-1,428,603.12-605,807.52

Finding the Fourth Proportional to 1,035,421.80, 1,428,603.12 and 605,807.52

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Solution

The fourth proportional to 1,035,421.80, 1,428,603.12 and 605,807.52 is: 835,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,421.80 : 1,428,603.12 = 605,807.52 : x
  2. Step 2: Convert to fraction form
    1,035,421.80/1,428,603.12 = 605,807.52/x
  3. Step 3: Cross multiply
    1,035,421.80x = 1,428,603.12 × 605,807.52
  4. Step 4: Simplify right side
    1,035,421.80x = 865,458,513,191.46
  5. Step 5: Solve for x
    x = 865,458,513,191.46/1,035,421.80
  6. Step 6: Final answer
    x = 835,851.16

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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.