Home / 1,377,623.94-1,901,143.80-757,455.36

Finding the Fourth Proportional to 1,377,623.94, 1,901,143.80 and 757,455.36

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Solution

The fourth proportional to 1,377,623.94, 1,901,143.80 and 757,455.36 is: 1,045,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,623.94 : 1,901,143.80 = 757,455.36 : x
  2. Step 2: Convert to fraction form
    1,377,623.94/1,901,143.80 = 757,455.36/x
  3. Step 3: Cross multiply
    1,377,623.94x = 1,901,143.80 × 757,455.36
  4. Step 4: Simplify right side
    1,377,623.94x = 1,440,031,561,440.77
  5. Step 5: Solve for x
    x = 1,440,031,561,440.77/1,377,623.94
  6. Step 6: Final answer
    x = 1,045,300.91

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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.