Home / 1,427,124.90-2,139,650.55-585,243.30

Finding the Fourth Proportional to 1,427,124.90, 2,139,650.55 and 585,243.30

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Solution

The fourth proportional to 1,427,124.90, 2,139,650.55 and 585,243.30 is: 877,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,124.90 : 2,139,650.55 = 585,243.30 : x
  2. Step 2: Convert to fraction form
    1,427,124.90/2,139,650.55 = 585,243.30/x
  3. Step 3: Cross multiply
    1,427,124.90x = 2,139,650.55 × 585,243.30
  4. Step 4: Simplify right side
    1,427,124.90x = 1,252,216,148,728.82
  5. Step 5: Solve for x
    x = 1,252,216,148,728.82/1,427,124.90
  6. Step 6: Final answer
    x = 877,439.77

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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.