Home / 1,523,359.40-2,102,459.76-878,653.64

Finding the Fourth Proportional to 1,523,359.40, 2,102,459.76 and 878,653.64

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Solution

The fourth proportional to 1,523,359.40, 2,102,459.76 and 878,653.64 is: 1,212,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,359.40 : 2,102,459.76 = 878,653.64 : x
  2. Step 2: Convert to fraction form
    1,523,359.40/2,102,459.76 = 878,653.64/x
  3. Step 3: Cross multiply
    1,523,359.40x = 2,102,459.76 × 878,653.64
  4. Step 4: Simplify right side
    1,523,359.40x = 1,847,333,921,077.53
  5. Step 5: Solve for x
    x = 1,847,333,921,077.53/1,523,359.40
  6. Step 6: Final answer
    x = 1,212,671.10

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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.