Home / 1,210,729.60-1,817,131.20-537,846.40

Finding the Fourth Proportional to 1,210,729.60, 1,817,131.20 and 537,846.40

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Solution

The fourth proportional to 1,210,729.60, 1,817,131.20 and 537,846.40 is: 807,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,729.60 : 1,817,131.20 = 537,846.40 : x
  2. Step 2: Convert to fraction form
    1,210,729.60/1,817,131.20 = 537,846.40/x
  3. Step 3: Cross multiply
    1,210,729.60x = 1,817,131.20 × 537,846.40
  4. Step 4: Simplify right side
    1,210,729.60x = 977,337,474,247.68
  5. Step 5: Solve for x
    x = 977,337,474,247.68/1,210,729.60
  6. Step 6: Final answer
    x = 807,230.18

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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.