Home / 1,538,428.24-2,123,030.88-859,364.74

Finding the Fourth Proportional to 1,538,428.24, 2,123,030.88 and 859,364.74

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Solution

The fourth proportional to 1,538,428.24, 2,123,030.88 and 859,364.74 is: 1,185,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,428.24 : 2,123,030.88 = 859,364.74 : x
  2. Step 2: Convert to fraction form
    1,538,428.24/2,123,030.88 = 859,364.74/x
  3. Step 3: Cross multiply
    1,538,428.24x = 2,123,030.88 × 859,364.74
  4. Step 4: Simplify right side
    1,538,428.24x = 1,824,457,880,203.17
  5. Step 5: Solve for x
    x = 1,824,457,880,203.17/1,538,428.24
  6. Step 6: Final answer
    x = 1,185,923.29

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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.