Home / 1,377,927.90-1,901,603.84-766,142.90

Finding the Fourth Proportional to 1,377,927.90, 1,901,603.84 and 766,142.90

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Solution

The fourth proportional to 1,377,927.90, 1,901,603.84 and 766,142.90 is: 1,057,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,927.90 : 1,901,603.84 = 766,142.90 : x
  2. Step 2: Convert to fraction form
    1,377,927.90/1,901,603.84 = 766,142.90/x
  3. Step 3: Cross multiply
    1,377,927.90x = 1,901,603.84 × 766,142.90
  4. Step 4: Simplify right side
    1,377,927.90x = 1,456,900,280,628.74
  5. Step 5: Solve for x
    x = 1,456,900,280,628.74/1,377,927.90
  6. Step 6: Final answer
    x = 1,057,312.42

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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.