Home / 1,538,672.76-2,123,303.02-850,370.40

Finding the Fourth Proportional to 1,538,672.76, 2,123,303.02 and 850,370.40

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Solution

The fourth proportional to 1,538,672.76, 2,123,303.02 and 850,370.40 is: 1,173,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,672.76 : 2,123,303.02 = 850,370.40 : x
  2. Step 2: Convert to fraction form
    1,538,672.76/2,123,303.02 = 850,370.40/x
  3. Step 3: Cross multiply
    1,538,672.76x = 2,123,303.02 × 850,370.40
  4. Step 4: Simplify right side
    1,538,672.76x = 1,805,594,036,312.68
  5. Step 5: Solve for x
    x = 1,805,594,036,312.68/1,538,672.76
  6. Step 6: Final answer
    x = 1,173,475.01

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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.