Home / 1,128,478.16-1,692,492.60-529,285.52

Finding the Fourth Proportional to 1,128,478.16, 1,692,492.60 and 529,285.52

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Solution

The fourth proportional to 1,128,478.16, 1,692,492.60 and 529,285.52 is: 793,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,478.16 : 1,692,492.60 = 529,285.52 : x
  2. Step 2: Convert to fraction form
    1,128,478.16/1,692,492.60 = 529,285.52/x
  3. Step 3: Cross multiply
    1,128,478.16x = 1,692,492.60 × 529,285.52
  4. Step 4: Simplify right side
    1,128,478.16x = 895,811,825,887.15
  5. Step 5: Solve for x
    x = 895,811,825,887.15/1,128,478.16
  6. Step 6: Final answer
    x = 793,822.92

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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.