Home / 1,342,225.69-1,852,271.75-738,613.69

Finding the Fourth Proportional to 1,342,225.69, 1,852,271.75 and 738,613.69

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Solution

The fourth proportional to 1,342,225.69, 1,852,271.75 and 738,613.69 is: 1,019,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,225.69 : 1,852,271.75 = 738,613.69 : x
  2. Step 2: Convert to fraction form
    1,342,225.69/1,852,271.75 = 738,613.69/x
  3. Step 3: Cross multiply
    1,342,225.69x = 1,852,271.75 × 738,613.69
  4. Step 4: Simplify right side
    1,342,225.69x = 1,368,113,269,366.11
  5. Step 5: Solve for x
    x = 1,368,113,269,366.11/1,342,225.69
  6. Step 6: Final answer
    x = 1,019,287.06

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1.5x scale

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.