Home / 1,780,539.71-2,457,141.36-964,765.47

Finding the Fourth Proportional to 1,780,539.71, 2,457,141.36 and 964,765.47

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Solution

The fourth proportional to 1,780,539.71, 2,457,141.36 and 964,765.47 is: 1,331,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,539.71 : 2,457,141.36 = 964,765.47 : x
  2. Step 2: Convert to fraction form
    1,780,539.71/2,457,141.36 = 964,765.47/x
  3. Step 3: Cross multiply
    1,780,539.71x = 2,457,141.36 × 964,765.47
  4. Step 4: Simplify right side
    1,780,539.71x = 2,370,565,139,036.84
  5. Step 5: Solve for x
    x = 2,370,565,139,036.84/1,780,539.71
  6. Step 6: Final answer
    x = 1,331,374.49

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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.