Home / 1,510,321.47-2,265,136.01-430,813.48

Finding the Fourth Proportional to 1,510,321.47, 2,265,136.01 and 430,813.48

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Solution

The fourth proportional to 1,510,321.47, 2,265,136.01 and 430,813.48 is: 646,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,321.47 : 2,265,136.01 = 430,813.48 : x
  2. Step 2: Convert to fraction form
    1,510,321.47/2,265,136.01 = 430,813.48/x
  3. Step 3: Cross multiply
    1,510,321.47x = 2,265,136.01 × 430,813.48
  4. Step 4: Simplify right side
    1,510,321.47x = 975,851,122,555.61
  5. Step 5: Solve for x
    x = 975,851,122,555.61/1,510,321.47
  6. Step 6: Final answer
    x = 646,121.47

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1.5x scale

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.