Home / 1,293,202.32-1,784,758.72-712,484.80

Finding the Fourth Proportional to 1,293,202.32, 1,784,758.72 and 712,484.80

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Solution

The fourth proportional to 1,293,202.32, 1,784,758.72 and 712,484.80 is: 983,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,202.32 : 1,784,758.72 = 712,484.80 : x
  2. Step 2: Convert to fraction form
    1,293,202.32/1,784,758.72 = 712,484.80/x
  3. Step 3: Cross multiply
    1,293,202.32x = 1,784,758.72 × 712,484.80
  4. Step 4: Simplify right side
    1,293,202.32x = 1,271,613,459,667.46
  5. Step 5: Solve for x
    x = 1,271,613,459,667.46/1,293,202.32
  6. Step 6: Final answer
    x = 983,305.89

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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.