Home / 1,888,771.77-2,606,428.98-1,029,313.58

Finding the Fourth Proportional to 1,888,771.77, 2,606,428.98 and 1,029,313.58

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Solution

The fourth proportional to 1,888,771.77, 2,606,428.98 and 1,029,313.58 is: 1,420,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,771.77 : 2,606,428.98 = 1,029,313.58 : x
  2. Step 2: Convert to fraction form
    1,888,771.77/2,606,428.98 = 1,029,313.58/x
  3. Step 3: Cross multiply
    1,888,771.77x = 2,606,428.98 × 1,029,313.58
  4. Step 4: Simplify right side
    1,888,771.77x = 2,682,832,731,387.40
  5. Step 5: Solve for x
    x = 2,682,832,731,387.40/1,888,771.77
  6. Step 6: Final answer
    x = 1,420,411.28

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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.