Home / 1,526,808.40-2,290,212.60-529,637.20

Finding the Fourth Proportional to 1,526,808.40, 2,290,212.60 and 529,637.20

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Solution

The fourth proportional to 1,526,808.40, 2,290,212.60 and 529,637.20 is: 794,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,808.40 : 2,290,212.60 = 529,637.20 : x
  2. Step 2: Convert to fraction form
    1,526,808.40/2,290,212.60 = 529,637.20/x
  3. Step 3: Cross multiply
    1,526,808.40x = 2,290,212.60 × 529,637.20
  4. Step 4: Simplify right side
    1,526,808.40x = 1,212,981,788,868.72
  5. Step 5: Solve for x
    x = 1,212,981,788,868.72/1,526,808.40
  6. Step 6: Final answer
    x = 794,455.80

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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.