Home / 1,537,801.20-2,306,701.80-415,870.20

Finding the Fourth Proportional to 1,537,801.20, 2,306,701.80 and 415,870.20

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Solution

The fourth proportional to 1,537,801.20, 2,306,701.80 and 415,870.20 is: 623,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,801.20 : 2,306,701.80 = 415,870.20 : x
  2. Step 2: Convert to fraction form
    1,537,801.20/2,306,701.80 = 415,870.20/x
  3. Step 3: Cross multiply
    1,537,801.20x = 2,306,701.80 × 415,870.20
  4. Step 4: Simplify right side
    1,537,801.20x = 959,288,538,906.36
  5. Step 5: Solve for x
    x = 959,288,538,906.36/1,537,801.20
  6. Step 6: Final answer
    x = 623,805.30

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Double scale
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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.