Home / 1,377,881.40-1,901,483.73-757,726.56

Finding the Fourth Proportional to 1,377,881.40, 1,901,483.73 and 757,726.56

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Solution

The fourth proportional to 1,377,881.40, 1,901,483.73 and 757,726.56 is: 1,045,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,881.40 : 1,901,483.73 = 757,726.56 : x
  2. Step 2: Convert to fraction form
    1,377,881.40/1,901,483.73 = 757,726.56/x
  3. Step 3: Cross multiply
    1,377,881.40x = 1,901,483.73 × 757,726.56
  4. Step 4: Simplify right side
    1,377,881.40x = 1,440,804,728,488.26
  5. Step 5: Solve for x
    x = 1,440,804,728,488.26/1,377,881.40
  6. Step 6: Final answer
    x = 1,045,666.73

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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.