Home / 1,787,594.40-2,682,428.40-665,776.80

Finding the Fourth Proportional to 1,787,594.40, 2,682,428.40 and 665,776.80

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Solution

The fourth proportional to 1,787,594.40, 2,682,428.40 and 665,776.80 is: 999,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,594.40 : 2,682,428.40 = 665,776.80 : x
  2. Step 2: Convert to fraction form
    1,787,594.40/2,682,428.40 = 665,776.80/x
  3. Step 3: Cross multiply
    1,787,594.40x = 2,682,428.40 × 665,776.80
  4. Step 4: Simplify right side
    1,787,594.40x = 1,785,898,596,381.12
  5. Step 5: Solve for x
    x = 1,785,898,596,381.12/1,787,594.40
  6. Step 6: Final answer
    x = 999,051.35

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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.