Home / 936,018.80-1,404,028.20-917,356.40

Finding the Fourth Proportional to 936,018.80, 1,404,028.20 and 917,356.40

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Solution

The fourth proportional to 936,018.80, 1,404,028.20 and 917,356.40 is: 1,376,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,018.80 : 1,404,028.20 = 917,356.40 : x
  2. Step 2: Convert to fraction form
    936,018.80/1,404,028.20 = 917,356.40/x
  3. Step 3: Cross multiply
    936,018.80x = 1,404,028.20 × 917,356.40
  4. Step 4: Simplify right side
    936,018.80x = 1,287,994,255,050.48
  5. Step 5: Solve for x
    x = 1,287,994,255,050.48/936,018.80
  6. Step 6: Final answer
    x = 1,376,034.60

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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.