Home / 1,689,740.66-2,331,752.93-964,559.54

Finding the Fourth Proportional to 1,689,740.66, 2,331,752.93 and 964,559.54

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Solution

The fourth proportional to 1,689,740.66, 2,331,752.93 and 964,559.54 is: 1,331,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,740.66 : 2,331,752.93 = 964,559.54 : x
  2. Step 2: Convert to fraction form
    1,689,740.66/2,331,752.93 = 964,559.54/x
  3. Step 3: Cross multiply
    1,689,740.66x = 2,331,752.93 × 964,559.54
  4. Step 4: Simplify right side
    1,689,740.66x = 2,249,114,517,072.89
  5. Step 5: Solve for x
    x = 2,249,114,517,072.89/1,689,740.66
  6. Step 6: Final answer
    x = 1,331,041.25

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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.