Home / 1,223,482.38-1,835,613.58-513,319.74

Finding the Fourth Proportional to 1,223,482.38, 1,835,613.58 and 513,319.74

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Solution

The fourth proportional to 1,223,482.38, 1,835,613.58 and 513,319.74 is: 770,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,482.38 : 1,835,613.58 = 513,319.74 : x
  2. Step 2: Convert to fraction form
    1,223,482.38/1,835,613.58 = 513,319.74/x
  3. Step 3: Cross multiply
    1,223,482.38x = 1,835,613.58 × 513,319.74
  4. Step 4: Simplify right side
    1,223,482.38x = 942,256,685,626.07
  5. Step 5: Solve for x
    x = 942,256,685,626.07/1,223,482.38
  6. Step 6: Final answer
    x = 770,143.24

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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.