Home / 1,672,678.08-2,308,289.40-947,522.88

Finding the Fourth Proportional to 1,672,678.08, 2,308,289.40 and 947,522.88

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Solution

The fourth proportional to 1,672,678.08, 2,308,289.40 and 947,522.88 is: 1,307,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,678.08 : 2,308,289.40 = 947,522.88 : x
  2. Step 2: Convert to fraction form
    1,672,678.08/2,308,289.40 = 947,522.88/x
  3. Step 3: Cross multiply
    1,672,678.08x = 2,308,289.40 × 947,522.88
  4. Step 4: Simplify right side
    1,672,678.08x = 2,187,157,020,161.47
  5. Step 5: Solve for x
    x = 2,187,157,020,161.47/1,672,678.08
  6. Step 6: Final answer
    x = 1,307,577.98

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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.