Home / 1,114,722.81-1,671,656.27-474,620.72

Finding the Fourth Proportional to 1,114,722.81, 1,671,656.27 and 474,620.72

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Solution

The fourth proportional to 1,114,722.81, 1,671,656.27 and 474,620.72 is: 711,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,722.81 : 1,671,656.27 = 474,620.72 : x
  2. Step 2: Convert to fraction form
    1,114,722.81/1,671,656.27 = 474,620.72/x
  3. Step 3: Cross multiply
    1,114,722.81x = 1,671,656.27 × 474,620.72
  4. Step 4: Simplify right side
    1,114,722.81x = 793,402,691,728.53
  5. Step 5: Solve for x
    x = 793,402,691,728.53/1,114,722.81
  6. Step 6: Final answer
    x = 711,748.86

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Why These Related Problems?

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