Home / 1,425,490.08-2,139,271.92-1,148,354.72

Finding the Fourth Proportional to 1,425,490.08, 2,139,271.92 and 1,148,354.72

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Solution

The fourth proportional to 1,425,490.08, 2,139,271.92 and 1,148,354.72 is: 1,723,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,490.08 : 2,139,271.92 = 1,148,354.72 : x
  2. Step 2: Convert to fraction form
    1,425,490.08/2,139,271.92 = 1,148,354.72/x
  3. Step 3: Cross multiply
    1,425,490.08x = 2,139,271.92 × 1,148,354.72
  4. Step 4: Simplify right side
    1,425,490.08x = 2,456,643,006,695.46
  5. Step 5: Solve for x
    x = 2,456,643,006,695.46/1,425,490.08
  6. Step 6: Final answer
    x = 1,723,367.31

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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.