Home / 1,207,477.38-1,811,203.28-308,911.98

Finding the Fourth Proportional to 1,207,477.38, 1,811,203.28 and 308,911.98

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Solution

The fourth proportional to 1,207,477.38, 1,811,203.28 and 308,911.98 is: 463,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,477.38 : 1,811,203.28 = 308,911.98 : x
  2. Step 2: Convert to fraction form
    1,207,477.38/1,811,203.28 = 308,911.98/x
  3. Step 3: Cross multiply
    1,207,477.38x = 1,811,203.28 × 308,911.98
  4. Step 4: Simplify right side
    1,207,477.38x = 559,502,389,362.78
  5. Step 5: Solve for x
    x = 559,502,389,362.78/1,207,477.38
  6. Step 6: Final answer
    x = 463,364.70

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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.