Home / 1,053,269.71-1,580,790.64-986,839.51

Finding the Fourth Proportional to 1,053,269.71, 1,580,790.64 and 986,839.51

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Solution

The fourth proportional to 1,053,269.71, 1,580,790.64 and 986,839.51 is: 1,481,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,269.71 : 1,580,790.64 = 986,839.51 : x
  2. Step 2: Convert to fraction form
    1,053,269.71/1,580,790.64 = 986,839.51/x
  3. Step 3: Cross multiply
    1,053,269.71x = 1,580,790.64 × 986,839.51
  4. Step 4: Simplify right side
    1,053,269.71x = 1,559,986,650,219.13
  5. Step 5: Solve for x
    x = 1,559,986,650,219.13/1,053,269.71
  6. Step 6: Final answer
    x = 1,481,089.45

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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.