Home / 1,570,707.70-2,356,061.55-1,365,421.30

Finding the Fourth Proportional to 1,570,707.70, 2,356,061.55 and 1,365,421.30

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Solution

The fourth proportional to 1,570,707.70, 2,356,061.55 and 1,365,421.30 is: 2,048,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,707.70 : 2,356,061.55 = 1,365,421.30 : x
  2. Step 2: Convert to fraction form
    1,570,707.70/2,356,061.55 = 1,365,421.30/x
  3. Step 3: Cross multiply
    1,570,707.70x = 2,356,061.55 × 1,365,421.30
  4. Step 4: Simplify right side
    1,570,707.70x = 3,217,016,624,481.01
  5. Step 5: Solve for x
    x = 3,217,016,624,481.01/1,570,707.70
  6. Step 6: Final answer
    x = 2,048,131.95

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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.