Home / 1,217,156.40-1,825,345.80-507,013.20

Finding the Fourth Proportional to 1,217,156.40, 1,825,345.80 and 507,013.20

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Solution

The fourth proportional to 1,217,156.40, 1,825,345.80 and 507,013.20 is: 760,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,156.40 : 1,825,345.80 = 507,013.20 : x
  2. Step 2: Convert to fraction form
    1,217,156.40/1,825,345.80 = 507,013.20/x
  3. Step 3: Cross multiply
    1,217,156.40x = 1,825,345.80 × 507,013.20
  4. Step 4: Simplify right side
    1,217,156.40x = 925,474,415,164.56
  5. Step 5: Solve for x
    x = 925,474,415,164.56/1,217,156.40
  6. Step 6: Final answer
    x = 760,357.84

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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.