Home / 1,017,623.70-1,526,656.95-307,633.20

Finding the Fourth Proportional to 1,017,623.70, 1,526,656.95 and 307,633.20

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Solution

The fourth proportional to 1,017,623.70, 1,526,656.95 and 307,633.20 is: 461,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,623.70 : 1,526,656.95 = 307,633.20 : x
  2. Step 2: Convert to fraction form
    1,017,623.70/1,526,656.95 = 307,633.20/x
  3. Step 3: Cross multiply
    1,017,623.70x = 1,526,656.95 × 307,633.20
  4. Step 4: Simplify right side
    1,017,623.70x = 469,650,362,830.74
  5. Step 5: Solve for x
    x = 469,650,362,830.74/1,017,623.70
  6. Step 6: Final answer
    x = 461,516.73

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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.