Home / 1,369,671.50-1,890,153.16-766,059.50

Finding the Fourth Proportional to 1,369,671.50, 1,890,153.16 and 766,059.50

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Solution

The fourth proportional to 1,369,671.50, 1,890,153.16 and 766,059.50 is: 1,057,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,671.50 : 1,890,153.16 = 766,059.50 : x
  2. Step 2: Convert to fraction form
    1,369,671.50/1,890,153.16 = 766,059.50/x
  3. Step 3: Cross multiply
    1,369,671.50x = 1,890,153.16 × 766,059.50
  4. Step 4: Simplify right side
    1,369,671.50x = 1,447,969,784,673.02
  5. Step 5: Solve for x
    x = 1,447,969,784,673.02/1,369,671.50
  6. Step 6: Final answer
    x = 1,057,165.74

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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.