Home / 1,618,502.40-2,427,413.40-819,032.40

Finding the Fourth Proportional to 1,618,502.40, 2,427,413.40 and 819,032.40

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Solution

The fourth proportional to 1,618,502.40, 2,427,413.40 and 819,032.40 is: 1,228,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,502.40 : 2,427,413.40 = 819,032.40 : x
  2. Step 2: Convert to fraction form
    1,618,502.40/2,427,413.40 = 819,032.40/x
  3. Step 3: Cross multiply
    1,618,502.40x = 2,427,413.40 × 819,032.40
  4. Step 4: Simplify right side
    1,618,502.40x = 1,988,130,222,794.16
  5. Step 5: Solve for x
    x = 1,988,130,222,794.16/1,618,502.40
  6. Step 6: Final answer
    x = 1,228,376.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.