Home / 1,223,423.62-1,835,153.89-424,730.55

Finding the Fourth Proportional to 1,223,423.62, 1,835,153.89 and 424,730.55

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Solution

The fourth proportional to 1,223,423.62, 1,835,153.89 and 424,730.55 is: 637,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,423.62 : 1,835,153.89 = 424,730.55 : x
  2. Step 2: Convert to fraction form
    1,223,423.62/1,835,153.89 = 424,730.55/x
  3. Step 3: Cross multiply
    1,223,423.62x = 1,835,153.89 × 424,730.55
  4. Step 4: Simplify right side
    1,223,423.62x = 779,445,921,034.34
  5. Step 5: Solve for x
    x = 779,445,921,034.34/1,223,423.62
  6. Step 6: Final answer
    x = 637,102.23

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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.