Home / 1,264,949.20-1,897,657.08-400,602.16

Finding the Fourth Proportional to 1,264,949.20, 1,897,657.08 and 400,602.16

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Solution

The fourth proportional to 1,264,949.20, 1,897,657.08 and 400,602.16 is: 600,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,949.20 : 1,897,657.08 = 400,602.16 : x
  2. Step 2: Convert to fraction form
    1,264,949.20/1,897,657.08 = 400,602.16/x
  3. Step 3: Cross multiply
    1,264,949.20x = 1,897,657.08 × 400,602.16
  4. Step 4: Simplify right side
    1,264,949.20x = 760,205,525,187.29
  5. Step 5: Solve for x
    x = 760,205,525,187.29/1,264,949.20
  6. Step 6: Final answer
    x = 600,977.12

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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.