Home / 1,431,742-2,147,625.96-434,470

Finding the Fourth Proportional to 1,431,742, 2,147,625.96 and 434,470

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Solution

The fourth proportional to 1,431,742, 2,147,625.96 and 434,470 is: 651,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,742 : 2,147,625.96 = 434,470 : x
  2. Step 2: Convert to fraction form
    1,431,742/2,147,625.96 = 434,470/x
  3. Step 3: Cross multiply
    1,431,742x = 2,147,625.96 × 434,470
  4. Step 4: Simplify right side
    1,431,742x = 933,079,050,841.20
  5. Step 5: Solve for x
    x = 933,079,050,841.20/1,431,742
  6. Step 6: Final answer
    x = 651,708.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.