Home / 1,720,356.80-2,579,660.40-1,010,602.40

Finding the Fourth Proportional to 1,720,356.80, 2,579,660.40 and 1,010,602.40

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Solution

The fourth proportional to 1,720,356.80, 2,579,660.40 and 1,010,602.40 is: 1,515,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,356.80 : 2,579,660.40 = 1,010,602.40 : x
  2. Step 2: Convert to fraction form
    1,720,356.80/2,579,660.40 = 1,010,602.40/x
  3. Step 3: Cross multiply
    1,720,356.80x = 2,579,660.40 × 1,010,602.40
  4. Step 4: Simplify right side
    1,720,356.80x = 2,607,010,991,424.96
  5. Step 5: Solve for x
    x = 2,607,010,991,424.96/1,720,356.80
  6. Step 6: Final answer
    x = 1,515,389.71

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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.