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Finding the Fourth Proportional to 1,607,734.98, 2,411,653.50 and 808,579.67

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Solution

The fourth proportional to 1,607,734.98, 2,411,653.50 and 808,579.67 is: 1,212,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,734.98 : 2,411,653.50 = 808,579.67 : x
  2. Step 2: Convert to fraction form
    1,607,734.98/2,411,653.50 = 808,579.67/x
  3. Step 3: Cross multiply
    1,607,734.98x = 2,411,653.50 × 808,579.67
  4. Step 4: Simplify right side
    1,607,734.98x = 1,950,013,979,126.08
  5. Step 5: Solve for x
    x = 1,950,013,979,126.08/1,607,734.98
  6. Step 6: Final answer
    x = 1,212,895.16

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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.