Home / 1,309,903.32-1,807,666.29-729,113.91

Finding the Fourth Proportional to 1,309,903.32, 1,807,666.29 and 729,113.91

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Solution

The fourth proportional to 1,309,903.32, 1,807,666.29 and 729,113.91 is: 1,006,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,903.32 : 1,807,666.29 = 729,113.91 : x
  2. Step 2: Convert to fraction form
    1,309,903.32/1,807,666.29 = 729,113.91/x
  3. Step 3: Cross multiply
    1,309,903.32x = 1,807,666.29 × 729,113.91
  4. Step 4: Simplify right side
    1,309,903.32x = 1,317,994,636,677.09
  5. Step 5: Solve for x
    x = 1,317,994,636,677.09/1,309,903.32
  6. Step 6: Final answer
    x = 1,006,177.03

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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.