Home / 1,428,845.34-1,971,905.13-944,570.64

Finding the Fourth Proportional to 1,428,845.34, 1,971,905.13 and 944,570.64

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Solution

The fourth proportional to 1,428,845.34, 1,971,905.13 and 944,570.64 is: 1,303,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,845.34 : 1,971,905.13 = 944,570.64 : x
  2. Step 2: Convert to fraction form
    1,428,845.34/1,971,905.13 = 944,570.64/x
  3. Step 3: Cross multiply
    1,428,845.34x = 1,971,905.13 × 944,570.64
  4. Step 4: Simplify right side
    1,428,845.34x = 1,862,603,690,663.38
  5. Step 5: Solve for x
    x = 1,862,603,690,663.38/1,428,845.34
  6. Step 6: Final answer
    x = 1,303,572.64

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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.