Home / 1,020,942.40-1,531,413.60-702,077.80

Finding the Fourth Proportional to 1,020,942.40, 1,531,413.60 and 702,077.80

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Solution

The fourth proportional to 1,020,942.40, 1,531,413.60 and 702,077.80 is: 1,053,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,942.40 : 1,531,413.60 = 702,077.80 : x
  2. Step 2: Convert to fraction form
    1,020,942.40/1,531,413.60 = 702,077.80/x
  3. Step 3: Cross multiply
    1,020,942.40x = 1,531,413.60 × 702,077.80
  4. Step 4: Simplify right side
    1,020,942.40x = 1,075,171,491,178.08
  5. Step 5: Solve for x
    x = 1,075,171,491,178.08/1,020,942.40
  6. Step 6: Final answer
    x = 1,053,116.70

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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.