Home / 838,004.40-1,253,483.64-706,423.50

Finding the Fourth Proportional to 838,004.40, 1,253,483.64 and 706,423.50

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Solution

The fourth proportional to 838,004.40, 1,253,483.64 and 706,423.50 is: 1,056,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,004.40 : 1,253,483.64 = 706,423.50 : x
  2. Step 2: Convert to fraction form
    838,004.40/1,253,483.64 = 706,423.50/x
  3. Step 3: Cross multiply
    838,004.40x = 1,253,483.64 × 706,423.50
  4. Step 4: Simplify right side
    838,004.40x = 885,490,300,161.54
  5. Step 5: Solve for x
    x = 885,490,300,161.54/838,004.40
  6. Step 6: Final answer
    x = 1,056,665.45

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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.