Home / 1,427,895.18-1,970,483.90-774,519.62

Finding the Fourth Proportional to 1,427,895.18, 1,970,483.90 and 774,519.62

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Solution

The fourth proportional to 1,427,895.18, 1,970,483.90 and 774,519.62 is: 1,068,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,895.18 : 1,970,483.90 = 774,519.62 : x
  2. Step 2: Convert to fraction form
    1,427,895.18/1,970,483.90 = 774,519.62/x
  3. Step 3: Cross multiply
    1,427,895.18x = 1,970,483.90 × 774,519.62
  4. Step 4: Simplify right side
    1,427,895.18x = 1,526,178,427,719.10
  5. Step 5: Solve for x
    x = 1,526,178,427,719.10/1,427,895.18
  6. Step 6: Final answer
    x = 1,068,830.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.