Home / 918,010.30-1,377,015.45-899,347.90

Finding the Fourth Proportional to 918,010.30, 1,377,015.45 and 899,347.90

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Solution

The fourth proportional to 918,010.30, 1,377,015.45 and 899,347.90 is: 1,349,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,010.30 : 1,377,015.45 = 899,347.90 : x
  2. Step 2: Convert to fraction form
    918,010.30/1,377,015.45 = 899,347.90/x
  3. Step 3: Cross multiply
    918,010.30x = 1,377,015.45 × 899,347.90
  4. Step 4: Simplify right side
    918,010.30x = 1,238,415,953,225.06
  5. Step 5: Solve for x
    x = 1,238,415,953,225.06/918,010.30
  6. Step 6: Final answer
    x = 1,349,021.85

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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.