Home / 1,365,766.40-2,048,649.60-917,868.80

Finding the Fourth Proportional to 1,365,766.40, 2,048,649.60 and 917,868.80

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Solution

The fourth proportional to 1,365,766.40, 2,048,649.60 and 917,868.80 is: 1,376,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,766.40 : 2,048,649.60 = 917,868.80 : x
  2. Step 2: Convert to fraction form
    1,365,766.40/2,048,649.60 = 917,868.80/x
  3. Step 3: Cross multiply
    1,365,766.40x = 2,048,649.60 × 917,868.80
  4. Step 4: Simplify right side
    1,365,766.40x = 1,880,391,549,972.48
  5. Step 5: Solve for x
    x = 1,880,391,549,972.48/1,365,766.40
  6. Step 6: Final answer
    x = 1,376,803.20

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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.