Home / 1,528,564.64-2,109,373.44-875,168.96

Finding the Fourth Proportional to 1,528,564.64, 2,109,373.44 and 875,168.96

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Solution

The fourth proportional to 1,528,564.64, 2,109,373.44 and 875,168.96 is: 1,207,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,564.64 : 2,109,373.44 = 875,168.96 : x
  2. Step 2: Convert to fraction form
    1,528,564.64/2,109,373.44 = 875,168.96/x
  3. Step 3: Cross multiply
    1,528,564.64x = 2,109,373.44 × 875,168.96
  4. Step 4: Simplify right side
    1,528,564.64x = 1,846,058,159,736.42
  5. Step 5: Solve for x
    x = 1,846,058,159,736.42/1,528,564.64
  6. Step 6: Final answer
    x = 1,207,706.96

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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.