Home / 1,118,909.60-1,674,427.80-1,024,431.20

Finding the Fourth Proportional to 1,118,909.60, 1,674,427.80 and 1,024,431.20

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Solution

The fourth proportional to 1,118,909.60, 1,674,427.80 and 1,024,431.20 is: 1,533,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,909.60 : 1,674,427.80 = 1,024,431.20 : x
  2. Step 2: Convert to fraction form
    1,118,909.60/1,674,427.80 = 1,024,431.20/x
  3. Step 3: Cross multiply
    1,118,909.60x = 1,674,427.80 × 1,024,431.20
  4. Step 4: Simplify right side
    1,118,909.60x = 1,715,336,080,467.36
  5. Step 5: Solve for x
    x = 1,715,336,080,467.36/1,118,909.60
  6. Step 6: Final answer
    x = 1,533,042.60

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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.