Home / 1,178,973.90-1,768,458.64-369,420.30

Finding the Fourth Proportional to 1,178,973.90, 1,768,458.64 and 369,420.30

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Solution

The fourth proportional to 1,178,973.90, 1,768,458.64 and 369,420.30 is: 554,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,973.90 : 1,768,458.64 = 369,420.30 : x
  2. Step 2: Convert to fraction form
    1,178,973.90/1,768,458.64 = 369,420.30/x
  3. Step 3: Cross multiply
    1,178,973.90x = 1,768,458.64 × 369,420.30
  4. Step 4: Simplify right side
    1,178,973.90x = 653,304,512,484.10
  5. Step 5: Solve for x
    x = 653,304,512,484.10/1,178,973.90
  6. Step 6: Final answer
    x = 554,129.75

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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.