Home / 1,787,787.02-2,681,393.22-490,636.34

Finding the Fourth Proportional to 1,787,787.02, 2,681,393.22 and 490,636.34

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Solution

The fourth proportional to 1,787,787.02, 2,681,393.22 and 490,636.34 is: 735,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,787.02 : 2,681,393.22 = 490,636.34 : x
  2. Step 2: Convert to fraction form
    1,787,787.02/2,681,393.22 = 490,636.34/x
  3. Step 3: Cross multiply
    1,787,787.02x = 2,681,393.22 × 490,636.34
  4. Step 4: Simplify right side
    1,787,787.02x = 1,315,588,942,154.65
  5. Step 5: Solve for x
    x = 1,315,588,942,154.65/1,787,787.02
  6. Step 6: Final answer
    x = 735,875.65

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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.