Home / 1,447,361.90-1,997,598.57-802,989.70

Finding the Fourth Proportional to 1,447,361.90, 1,997,598.57 and 802,989.70

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Solution

The fourth proportional to 1,447,361.90, 1,997,598.57 and 802,989.70 is: 1,108,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,361.90 : 1,997,598.57 = 802,989.70 : x
  2. Step 2: Convert to fraction form
    1,447,361.90/1,997,598.57 = 802,989.70/x
  3. Step 3: Cross multiply
    1,447,361.90x = 1,997,598.57 × 802,989.70
  4. Step 4: Simplify right side
    1,447,361.90x = 1,604,051,076,444.73
  5. Step 5: Solve for x
    x = 1,604,051,076,444.73/1,447,361.90
  6. Step 6: Final answer
    x = 1,108,258.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.