Home / 1,720,902.30-2,581,353.45-974,406.30

Finding the Fourth Proportional to 1,720,902.30, 2,581,353.45 and 974,406.30

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Solution

The fourth proportional to 1,720,902.30, 2,581,353.45 and 974,406.30 is: 1,461,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,902.30 : 2,581,353.45 = 974,406.30 : x
  2. Step 2: Convert to fraction form
    1,720,902.30/2,581,353.45 = 974,406.30/x
  3. Step 3: Cross multiply
    1,720,902.30x = 2,581,353.45 × 974,406.30
  4. Step 4: Simplify right side
    1,720,902.30x = 2,515,287,064,206.74
  5. Step 5: Solve for x
    x = 2,515,287,064,206.74/1,720,902.30
  6. Step 6: Final answer
    x = 1,461,609.45

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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.