Home / 1,491,931.70-2,237,897.55-370,000.70

Finding the Fourth Proportional to 1,491,931.70, 2,237,897.55 and 370,000.70

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Solution

The fourth proportional to 1,491,931.70, 2,237,897.55 and 370,000.70 is: 555,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,931.70 : 2,237,897.55 = 370,000.70 : x
  2. Step 2: Convert to fraction form
    1,491,931.70/2,237,897.55 = 370,000.70/x
  3. Step 3: Cross multiply
    1,491,931.70x = 2,237,897.55 × 370,000.70
  4. Step 4: Simplify right side
    1,491,931.70x = 828,023,660,028.29
  5. Step 5: Solve for x
    x = 828,023,660,028.29/1,491,931.70
  6. Step 6: Final answer
    x = 555,001.05

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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.