Home / 1,342,291.69-1,852,362.80-738,679.69

Finding the Fourth Proportional to 1,342,291.69, 1,852,362.80 and 738,679.69

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Solution

The fourth proportional to 1,342,291.69, 1,852,362.80 and 738,679.69 is: 1,019,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,291.69 : 1,852,362.80 = 738,679.69 : x
  2. Step 2: Convert to fraction form
    1,342,291.69/1,852,362.80 = 738,679.69/x
  3. Step 3: Cross multiply
    1,342,291.69x = 1,852,362.80 × 738,679.69
  4. Step 4: Simplify right side
    1,342,291.69x = 1,368,302,778,871.53
  5. Step 5: Solve for x
    x = 1,368,302,778,871.53/1,342,291.69
  6. Step 6: Final answer
    x = 1,019,378.12

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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.