Home / 1,628,127.10-2,442,307.26-430,037.47

Finding the Fourth Proportional to 1,628,127.10, 2,442,307.26 and 430,037.47

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Solution

The fourth proportional to 1,628,127.10, 2,442,307.26 and 430,037.47 is: 645,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,127.10 : 2,442,307.26 = 430,037.47 : x
  2. Step 2: Convert to fraction form
    1,628,127.10/2,442,307.26 = 430,037.47/x
  3. Step 3: Cross multiply
    1,628,127.10x = 2,442,307.26 × 430,037.47
  4. Step 4: Simplify right side
    1,628,127.10x = 1,050,283,635,053.03
  5. Step 5: Solve for x
    x = 1,050,283,635,053.03/1,628,127.10
  6. Step 6: Final answer
    x = 645,087.01

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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.