Home / 1,186,223.48-1,778,967.22-427,966.38

Finding the Fourth Proportional to 1,186,223.48, 1,778,967.22 and 427,966.38

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Solution

The fourth proportional to 1,186,223.48, 1,778,967.22 and 427,966.38 is: 641,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,223.48 : 1,778,967.22 = 427,966.38 : x
  2. Step 2: Convert to fraction form
    1,186,223.48/1,778,967.22 = 427,966.38/x
  3. Step 3: Cross multiply
    1,186,223.48x = 1,778,967.22 × 427,966.38
  4. Step 4: Simplify right side
    1,186,223.48x = 761,338,154,807.58
  5. Step 5: Solve for x
    x = 761,338,154,807.58/1,186,223.48
  6. Step 6: Final answer
    x = 641,816.79

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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.