Home / 1,122,488.40-1,683,732.60-334,520.40

Finding the Fourth Proportional to 1,122,488.40, 1,683,732.60 and 334,520.40

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Solution

The fourth proportional to 1,122,488.40, 1,683,732.60 and 334,520.40 is: 501,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,488.40 : 1,683,732.60 = 334,520.40 : x
  2. Step 2: Convert to fraction form
    1,122,488.40/1,683,732.60 = 334,520.40/x
  3. Step 3: Cross multiply
    1,122,488.40x = 1,683,732.60 × 334,520.40
  4. Step 4: Simplify right side
    1,122,488.40x = 563,242,902,845.04
  5. Step 5: Solve for x
    x = 563,242,902,845.04/1,122,488.40
  6. Step 6: Final answer
    x = 501,780.60

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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.