Home / 1,371,256.40-2,053,385.40-1,091,320.40

Finding the Fourth Proportional to 1,371,256.40, 2,053,385.40 and 1,091,320.40

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Solution

The fourth proportional to 1,371,256.40, 2,053,385.40 and 1,091,320.40 is: 1,634,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,256.40 : 2,053,385.40 = 1,091,320.40 : x
  2. Step 2: Convert to fraction form
    1,371,256.40/2,053,385.40 = 1,091,320.40/x
  3. Step 3: Cross multiply
    1,371,256.40x = 2,053,385.40 × 1,091,320.40
  4. Step 4: Simplify right side
    1,371,256.40x = 2,240,901,376,082.16
  5. Step 5: Solve for x
    x = 2,240,901,376,082.16/1,371,256.40
  6. Step 6: Final answer
    x = 1,634,195.75

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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.