Home / 834,354.21-1,249,490.08-753,483.85

Finding the Fourth Proportional to 834,354.21, 1,249,490.08 and 753,483.85

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Solution

The fourth proportional to 834,354.21, 1,249,490.08 and 753,483.85 is: 1,128,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,354.21 : 1,249,490.08 = 753,483.85 : x
  2. Step 2: Convert to fraction form
    834,354.21/1,249,490.08 = 753,483.85/x
  3. Step 3: Cross multiply
    834,354.21x = 1,249,490.08 × 753,483.85
  4. Step 4: Simplify right side
    834,354.21x = 941,470,591,007.77
  5. Step 5: Solve for x
    x = 941,470,591,007.77/834,354.21
  6. Step 6: Final answer
    x = 1,128,382.38

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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.