Home / 1,063,146.96-1,595,303.64-431,891.28

Finding the Fourth Proportional to 1,063,146.96, 1,595,303.64 and 431,891.28

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Solution

The fourth proportional to 1,063,146.96, 1,595,303.64 and 431,891.28 is: 648,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,146.96 : 1,595,303.64 = 431,891.28 : x
  2. Step 2: Convert to fraction form
    1,063,146.96/1,595,303.64 = 431,891.28/x
  3. Step 3: Cross multiply
    1,063,146.96x = 1,595,303.64 × 431,891.28
  4. Step 4: Simplify right side
    1,063,146.96x = 688,997,731,068.26
  5. Step 5: Solve for x
    x = 688,997,731,068.26/1,063,146.96
  6. Step 6: Final answer
    x = 648,073.84

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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.