Home / 1,344,130.49-2,015,368.02-660,147.46

Finding the Fourth Proportional to 1,344,130.49, 2,015,368.02 and 660,147.46

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Solution

The fourth proportional to 1,344,130.49, 2,015,368.02 and 660,147.46 is: 989,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,130.49 : 2,015,368.02 = 660,147.46 : x
  2. Step 2: Convert to fraction form
    1,344,130.49/2,015,368.02 = 660,147.46/x
  3. Step 3: Cross multiply
    1,344,130.49x = 2,015,368.02 × 660,147.46
  4. Step 4: Simplify right side
    1,344,130.49x = 1,330,440,074,329.81
  5. Step 5: Solve for x
    x = 1,330,440,074,329.81/1,344,130.49
  6. Step 6: Final answer
    x = 989,814.67

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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.