Home / 1,318,437.46-1,977,853.61-477,186.04

Finding the Fourth Proportional to 1,318,437.46, 1,977,853.61 and 477,186.04

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Solution

The fourth proportional to 1,318,437.46, 1,977,853.61 and 477,186.04 is: 715,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,437.46 : 1,977,853.61 = 477,186.04 : x
  2. Step 2: Convert to fraction form
    1,318,437.46/1,977,853.61 = 477,186.04/x
  3. Step 3: Cross multiply
    1,318,437.46x = 1,977,853.61 × 477,186.04
  4. Step 4: Simplify right side
    1,318,437.46x = 943,804,124,525.04
  5. Step 5: Solve for x
    x = 943,804,124,525.04/1,318,437.46
  6. Step 6: Final answer
    x = 715,850.51

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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.