Home / 1,017,640.80-1,526,502.70-259,501.92

Finding the Fourth Proportional to 1,017,640.80, 1,526,502.70 and 259,501.92

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Solution

The fourth proportional to 1,017,640.80, 1,526,502.70 and 259,501.92 is: 389,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,640.80 : 1,526,502.70 = 259,501.92 : x
  2. Step 2: Convert to fraction form
    1,017,640.80/1,526,502.70 = 259,501.92/x
  3. Step 3: Cross multiply
    1,017,640.80x = 1,526,502.70 × 259,501.92
  4. Step 4: Simplify right side
    1,017,640.80x = 396,130,381,535.18
  5. Step 5: Solve for x
    x = 396,130,381,535.18/1,017,640.80
  6. Step 6: Final answer
    x = 389,263.46

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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.