Home / 1,807,850.40-2,712,850.80-686,032.80

Finding the Fourth Proportional to 1,807,850.40, 2,712,850.80 and 686,032.80

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Solution

The fourth proportional to 1,807,850.40, 2,712,850.80 and 686,032.80 is: 1,029,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,850.40 : 2,712,850.80 = 686,032.80 : x
  2. Step 2: Convert to fraction form
    1,807,850.40/2,712,850.80 = 686,032.80/x
  3. Step 3: Cross multiply
    1,807,850.40x = 2,712,850.80 × 686,032.80
  4. Step 4: Simplify right side
    1,807,850.40x = 1,861,104,630,306.24
  5. Step 5: Solve for x
    x = 1,861,104,630,306.24/1,807,850.40
  6. Step 6: Final answer
    x = 1,029,457.21

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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.