Home / 1,326,890.16-1,988,916.48-757,043.64

Finding the Fourth Proportional to 1,326,890.16, 1,988,916.48 and 757,043.64

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Solution

The fourth proportional to 1,326,890.16, 1,988,916.48 and 757,043.64 is: 1,134,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,890.16 : 1,988,916.48 = 757,043.64 : x
  2. Step 2: Convert to fraction form
    1,326,890.16/1,988,916.48 = 757,043.64/x
  3. Step 3: Cross multiply
    1,326,890.16x = 1,988,916.48 × 757,043.64
  4. Step 4: Simplify right side
    1,326,890.16x = 1,505,696,571,675.19
  5. Step 5: Solve for x
    x = 1,505,696,571,675.19/1,326,890.16
  6. Step 6: Final answer
    x = 1,134,756.00

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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.