Home / 1,020,272.64-1,530,395.52-458,910.72

Finding the Fourth Proportional to 1,020,272.64, 1,530,395.52 and 458,910.72

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Solution

The fourth proportional to 1,020,272.64, 1,530,395.52 and 458,910.72 is: 688,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,272.64 : 1,530,395.52 = 458,910.72 : x
  2. Step 2: Convert to fraction form
    1,020,272.64/1,530,395.52 = 458,910.72/x
  3. Step 3: Cross multiply
    1,020,272.64x = 1,530,395.52 × 458,910.72
  4. Step 4: Simplify right side
    1,020,272.64x = 702,314,909,967.97
  5. Step 5: Solve for x
    x = 702,314,909,967.97/1,020,272.64
  6. Step 6: Final answer
    x = 688,360.03

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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.