Home / 904,038.40-1,356,403.20-889,868.80

Finding the Fourth Proportional to 904,038.40, 1,356,403.20 and 889,868.80

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Solution

The fourth proportional to 904,038.40, 1,356,403.20 and 889,868.80 is: 1,335,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,038.40 : 1,356,403.20 = 889,868.80 : x
  2. Step 2: Convert to fraction form
    904,038.40/1,356,403.20 = 889,868.80/x
  3. Step 3: Cross multiply
    904,038.40x = 1,356,403.20 × 889,868.80
  4. Step 4: Simplify right side
    904,038.40x = 1,207,020,887,900.16
  5. Step 5: Solve for x
    x = 1,207,020,887,900.16/904,038.40
  6. Step 6: Final answer
    x = 1,335,143.38

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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.