Home / 1,318,357.95-1,977,522.48-1,000,462.61

Finding the Fourth Proportional to 1,318,357.95, 1,977,522.48 and 1,000,462.61

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Solution

The fourth proportional to 1,318,357.95, 1,977,522.48 and 1,000,462.61 is: 1,500,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,357.95 : 1,977,522.48 = 1,000,462.61 : x
  2. Step 2: Convert to fraction form
    1,318,357.95/1,977,522.48 = 1,000,462.61/x
  3. Step 3: Cross multiply
    1,318,357.95x = 1,977,522.48 × 1,000,462.61
  4. Step 4: Simplify right side
    1,318,357.95x = 1,978,437,301,674.47
  5. Step 5: Solve for x
    x = 1,978,437,301,674.47/1,318,357.95
  6. Step 6: Final answer
    x = 1,500,682.95

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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.