Home / 1,553,367.83-2,142,543.35-1,036,861.30

Finding the Fourth Proportional to 1,553,367.83, 2,142,543.35 and 1,036,861.30

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Solution

The fourth proportional to 1,553,367.83, 2,142,543.35 and 1,036,861.30 is: 1,430,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,367.83 : 2,142,543.35 = 1,036,861.30 : x
  2. Step 2: Convert to fraction form
    1,553,367.83/2,142,543.35 = 1,036,861.30/x
  3. Step 3: Cross multiply
    1,553,367.83x = 2,142,543.35 × 1,036,861.30
  4. Step 4: Simplify right side
    1,553,367.83x = 2,221,520,283,187.36
  5. Step 5: Solve for x
    x = 2,221,520,283,187.36/1,553,367.83
  6. Step 6: Final answer
    x = 1,430,131.51

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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.