Home / 1,292,671.16-1,939,139.48-494,623.93

Finding the Fourth Proportional to 1,292,671.16, 1,939,139.48 and 494,623.93

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Solution

The fourth proportional to 1,292,671.16, 1,939,139.48 and 494,623.93 is: 741,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,671.16 : 1,939,139.48 = 494,623.93 : x
  2. Step 2: Convert to fraction form
    1,292,671.16/1,939,139.48 = 494,623.93/x
  3. Step 3: Cross multiply
    1,292,671.16x = 1,939,139.48 × 494,623.93
  4. Step 4: Simplify right side
    1,292,671.16x = 959,144,778,246.94
  5. Step 5: Solve for x
    x = 959,144,778,246.94/1,292,671.16
  6. Step 6: Final answer
    x = 741,986.68

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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.