Home / 1,685,491.52-2,325,962.40-921,536.96

Finding the Fourth Proportional to 1,685,491.52, 2,325,962.40 and 921,536.96

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Solution

The fourth proportional to 1,685,491.52, 2,325,962.40 and 921,536.96 is: 1,271,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,491.52 : 2,325,962.40 = 921,536.96 : x
  2. Step 2: Convert to fraction form
    1,685,491.52/2,325,962.40 = 921,536.96/x
  3. Step 3: Cross multiply
    1,685,491.52x = 2,325,962.40 × 921,536.96
  4. Step 4: Simplify right side
    1,685,491.52x = 2,143,460,319,170.30
  5. Step 5: Solve for x
    x = 2,143,460,319,170.30/1,685,491.52
  6. Step 6: Final answer
    x = 1,271,712.31

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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.