Home / 1,337,779.40-2,006,669.10-806,937.80

Finding the Fourth Proportional to 1,337,779.40, 2,006,669.10 and 806,937.80

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Solution

The fourth proportional to 1,337,779.40, 2,006,669.10 and 806,937.80 is: 1,210,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,779.40 : 2,006,669.10 = 806,937.80 : x
  2. Step 2: Convert to fraction form
    1,337,779.40/2,006,669.10 = 806,937.80/x
  3. Step 3: Cross multiply
    1,337,779.40x = 2,006,669.10 × 806,937.80
  4. Step 4: Simplify right side
    1,337,779.40x = 1,619,257,148,881.98
  5. Step 5: Solve for x
    x = 1,619,257,148,881.98/1,337,779.40
  6. Step 6: Final answer
    x = 1,210,406.70

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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.