Home / 1,265,381.05-1,746,221.12-684,602.32

Finding the Fourth Proportional to 1,265,381.05, 1,746,221.12 and 684,602.32

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Solution

The fourth proportional to 1,265,381.05, 1,746,221.12 and 684,602.32 is: 944,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,381.05 : 1,746,221.12 = 684,602.32 : x
  2. Step 2: Convert to fraction form
    1,265,381.05/1,746,221.12 = 684,602.32/x
  3. Step 3: Cross multiply
    1,265,381.05x = 1,746,221.12 × 684,602.32
  4. Step 4: Simplify right side
    1,265,381.05x = 1,195,467,029,985.00
  5. Step 5: Solve for x
    x = 1,195,467,029,985.00/1,265,381.05
  6. Step 6: Final answer
    x = 944,748.64

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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.