Home / 1,223,423.28-1,835,153.37-424,730.20

Finding the Fourth Proportional to 1,223,423.28, 1,835,153.37 and 424,730.20

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Solution

The fourth proportional to 1,223,423.28, 1,835,153.37 and 424,730.20 is: 637,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,423.28 : 1,835,153.37 = 424,730.20 : x
  2. Step 2: Convert to fraction form
    1,223,423.28/1,835,153.37 = 424,730.20/x
  3. Step 3: Cross multiply
    1,223,423.28x = 1,835,153.37 × 424,730.20
  4. Step 4: Simplify right side
    1,223,423.28x = 779,445,057,870.77
  5. Step 5: Solve for x
    x = 779,445,057,870.77/1,223,423.28
  6. Step 6: Final answer
    x = 637,101.71

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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.