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Finding the Fourth Proportional to 1,736,363.80, 2,603,670.90 and 1,026,609.40

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Solution

The fourth proportional to 1,736,363.80, 2,603,670.90 and 1,026,609.40 is: 1,539,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,363.80 : 2,603,670.90 = 1,026,609.40 : x
  2. Step 2: Convert to fraction form
    1,736,363.80/2,603,670.90 = 1,026,609.40/x
  3. Step 3: Cross multiply
    1,736,363.80x = 2,603,670.90 × 1,026,609.40
  4. Step 4: Simplify right side
    1,736,363.80x = 2,672,953,020,446.46
  5. Step 5: Solve for x
    x = 2,672,953,020,446.46/1,736,363.80
  6. Step 6: Final answer
    x = 1,539,396.88

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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.