Home / 1,293,479.40-1,941,093.90-724,859.40

Finding the Fourth Proportional to 1,293,479.40, 1,941,093.90 and 724,859.40

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Solution

The fourth proportional to 1,293,479.40, 1,941,093.90 and 724,859.40 is: 1,087,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,479.40 : 1,941,093.90 = 724,859.40 : x
  2. Step 2: Convert to fraction form
    1,293,479.40/1,941,093.90 = 724,859.40/x
  3. Step 3: Cross multiply
    1,293,479.40x = 1,941,093.90 × 724,859.40
  4. Step 4: Simplify right side
    1,293,479.40x = 1,407,020,159,697.66
  5. Step 5: Solve for x
    x = 1,407,020,159,697.66/1,293,479.40
  6. Step 6: Final answer
    x = 1,087,779.33

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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.