Home / 1,139,762.20-1,709,643.30-474,827.80

Finding the Fourth Proportional to 1,139,762.20, 1,709,643.30 and 474,827.80

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Solution

The fourth proportional to 1,139,762.20, 1,709,643.30 and 474,827.80 is: 712,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,762.20 : 1,709,643.30 = 474,827.80 : x
  2. Step 2: Convert to fraction form
    1,139,762.20/1,709,643.30 = 474,827.80/x
  3. Step 3: Cross multiply
    1,139,762.20x = 1,709,643.30 × 474,827.80
  4. Step 4: Simplify right side
    1,139,762.20x = 811,786,166,923.74
  5. Step 5: Solve for x
    x = 811,786,166,923.74/1,139,762.20
  6. Step 6: Final answer
    x = 712,241.70

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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.