Home / 1,145,561.49-1,580,875.90-629,348.81

Finding the Fourth Proportional to 1,145,561.49, 1,580,875.90 and 629,348.81

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Solution

The fourth proportional to 1,145,561.49, 1,580,875.90 and 629,348.81 is: 868,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,561.49 : 1,580,875.90 = 629,348.81 : x
  2. Step 2: Convert to fraction form
    1,145,561.49/1,580,875.90 = 629,348.81/x
  3. Step 3: Cross multiply
    1,145,561.49x = 1,580,875.90 × 629,348.81
  4. Step 4: Simplify right side
    1,145,561.49x = 994,922,356,944.93
  5. Step 5: Solve for x
    x = 994,922,356,944.93/1,145,561.49
  6. Step 6: Final answer
    x = 868,501.92

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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.