Home / 1,070,676.83-1,477,657.49-640,956.85

Finding the Fourth Proportional to 1,070,676.83, 1,477,657.49 and 640,956.85

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Solution

The fourth proportional to 1,070,676.83, 1,477,657.49 and 640,956.85 is: 884,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,676.83 : 1,477,657.49 = 640,956.85 : x
  2. Step 2: Convert to fraction form
    1,070,676.83/1,477,657.49 = 640,956.85/x
  3. Step 3: Cross multiply
    1,070,676.83x = 1,477,657.49 × 640,956.85
  4. Step 4: Simplify right side
    1,070,676.83x = 947,114,683,270.38
  5. Step 5: Solve for x
    x = 947,114,683,270.38/1,070,676.83
  6. Step 6: Final answer
    x = 884,594.36

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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.