Home / 1,277,891.40-1,913,726.70-1,277,891.40

Finding the Fourth Proportional to 1,277,891.40, 1,913,726.70 and 1,277,891.40

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Solution

The fourth proportional to 1,277,891.40, 1,913,726.70 and 1,277,891.40 is: 1,913,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,891.40 : 1,913,726.70 = 1,277,891.40 : x
  2. Step 2: Convert to fraction form
    1,277,891.40/1,913,726.70 = 1,277,891.40/x
  3. Step 3: Cross multiply
    1,277,891.40x = 1,913,726.70 × 1,277,891.40
  4. Step 4: Simplify right side
    1,277,891.40x = 2,445,534,891,880.38
  5. Step 5: Solve for x
    x = 2,445,534,891,880.38/1,277,891.40
  6. Step 6: Final answer
    x = 1,913,726.70

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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.