Home / 1,305,345-1,801,490.10-761,655.96

Finding the Fourth Proportional to 1,305,345, 1,801,490.10 and 761,655.96

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Solution

The fourth proportional to 1,305,345, 1,801,490.10 and 761,655.96 is: 1,051,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,345 : 1,801,490.10 = 761,655.96 : x
  2. Step 2: Convert to fraction form
    1,305,345/1,801,490.10 = 761,655.96/x
  3. Step 3: Cross multiply
    1,305,345x = 1,801,490.10 × 761,655.96
  4. Step 4: Simplify right side
    1,305,345x = 1,372,115,671,546.00
  5. Step 5: Solve for x
    x = 1,372,115,671,546.00/1,305,345
  6. Step 6: Final answer
    x = 1,051,151.74

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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.