Home / 1,000,154.40-1,380,201.84-547,440

Finding the Fourth Proportional to 1,000,154.40, 1,380,201.84 and 547,440

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Solution

The fourth proportional to 1,000,154.40, 1,380,201.84 and 547,440 is: 755,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,154.40 : 1,380,201.84 = 547,440 : x
  2. Step 2: Convert to fraction form
    1,000,154.40/1,380,201.84 = 547,440/x
  3. Step 3: Cross multiply
    1,000,154.40x = 1,380,201.84 × 547,440
  4. Step 4: Simplify right side
    1,000,154.40x = 755,577,695,289.60
  5. Step 5: Solve for x
    x = 755,577,695,289.60/1,000,154.40
  6. Step 6: Final answer
    x = 755,461.05

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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.