Home / 1,069,618.80-1,604,428.20-901,657.20

Finding the Fourth Proportional to 1,069,618.80, 1,604,428.20 and 901,657.20

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Solution

The fourth proportional to 1,069,618.80, 1,604,428.20 and 901,657.20 is: 1,352,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,618.80 : 1,604,428.20 = 901,657.20 : x
  2. Step 2: Convert to fraction form
    1,069,618.80/1,604,428.20 = 901,657.20/x
  3. Step 3: Cross multiply
    1,069,618.80x = 1,604,428.20 × 901,657.20
  4. Step 4: Simplify right side
    1,069,618.80x = 1,446,644,238,413.04
  5. Step 5: Solve for x
    x = 1,446,644,238,413.04/1,069,618.80
  6. Step 6: Final answer
    x = 1,352,485.80

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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.