Home / 1,439,500.60-2,158,214.10-808,607.80

Finding the Fourth Proportional to 1,439,500.60, 2,158,214.10 and 808,607.80

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Solution

The fourth proportional to 1,439,500.60, 2,158,214.10 and 808,607.80 is: 1,212,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,500.60 : 2,158,214.10 = 808,607.80 : x
  2. Step 2: Convert to fraction form
    1,439,500.60/2,158,214.10 = 808,607.80/x
  3. Step 3: Cross multiply
    1,439,500.60x = 2,158,214.10 × 808,607.80
  4. Step 4: Simplify right side
    1,439,500.60x = 1,745,148,755,329.98
  5. Step 5: Solve for x
    x = 1,745,148,755,329.98/1,439,500.60
  6. Step 6: Final answer
    x = 1,212,329.30

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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.