Home / 1,464,384.85-2,196,513.03-399,423.38

Finding the Fourth Proportional to 1,464,384.85, 2,196,513.03 and 399,423.38

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Solution

The fourth proportional to 1,464,384.85, 2,196,513.03 and 399,423.38 is: 599,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,384.85 : 2,196,513.03 = 399,423.38 : x
  2. Step 2: Convert to fraction form
    1,464,384.85/2,196,513.03 = 399,423.38/x
  3. Step 3: Cross multiply
    1,464,384.85x = 2,196,513.03 × 399,423.38
  4. Step 4: Simplify right side
    1,464,384.85x = 877,338,658,656.64
  5. Step 5: Solve for x
    x = 877,338,658,656.64/1,464,384.85
  6. Step 6: Final answer
    x = 599,117.55

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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.