Home / 1,347,187-2,021,640.92-637,256.92

Finding the Fourth Proportional to 1,347,187, 2,021,640.92 and 637,256.92

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Solution

The fourth proportional to 1,347,187, 2,021,640.92 and 637,256.92 is: 956,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,187 : 2,021,640.92 = 637,256.92 : x
  2. Step 2: Convert to fraction form
    1,347,187/2,021,640.92 = 637,256.92/x
  3. Step 3: Cross multiply
    1,347,187x = 2,021,640.92 × 637,256.92
  4. Step 4: Simplify right side
    1,347,187x = 1,288,304,666,025.17
  5. Step 5: Solve for x
    x = 1,288,304,666,025.17/1,347,187
  6. Step 6: Final answer
    x = 956,292.38

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1.5x scale

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.