Home / 1,128,030.70-1,691,956.41-453,636.58

Finding the Fourth Proportional to 1,128,030.70, 1,691,956.41 and 453,636.58

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Solution

The fourth proportional to 1,128,030.70, 1,691,956.41 and 453,636.58 is: 680,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,030.70 : 1,691,956.41 = 453,636.58 : x
  2. Step 2: Convert to fraction form
    1,128,030.70/1,691,956.41 = 453,636.58/x
  3. Step 3: Cross multiply
    1,128,030.70x = 1,691,956.41 × 453,636.58
  4. Step 4: Simplify right side
    1,128,030.70x = 767,533,319,341.48
  5. Step 5: Solve for x
    x = 767,533,319,341.48/1,128,030.70
  6. Step 6: Final answer
    x = 680,418.82

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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.