Home / 1,029,510.58-1,543,739.28-430,308.22

Finding the Fourth Proportional to 1,029,510.58, 1,543,739.28 and 430,308.22

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Solution

The fourth proportional to 1,029,510.58, 1,543,739.28 and 430,308.22 is: 645,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,510.58 : 1,543,739.28 = 430,308.22 : x
  2. Step 2: Convert to fraction form
    1,029,510.58/1,543,739.28 = 430,308.22/x
  3. Step 3: Cross multiply
    1,029,510.58x = 1,543,739.28 × 430,308.22
  4. Step 4: Simplify right side
    1,029,510.58x = 664,283,701,720.88
  5. Step 5: Solve for x
    x = 664,283,701,720.88/1,029,510.58
  6. Step 6: Final answer
    x = 645,242.23

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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.