Home / 1,362,070.17-2,043,105.30-642,244.32

Finding the Fourth Proportional to 1,362,070.17, 2,043,105.30 and 642,244.32

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Solution

The fourth proportional to 1,362,070.17, 2,043,105.30 and 642,244.32 is: 963,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,070.17 : 2,043,105.30 = 642,244.32 : x
  2. Step 2: Convert to fraction form
    1,362,070.17/2,043,105.30 = 642,244.32/x
  3. Step 3: Cross multiply
    1,362,070.17x = 2,043,105.30 × 642,244.32
  4. Step 4: Simplify right side
    1,362,070.17x = 1,312,172,774,086.90
  5. Step 5: Solve for x
    x = 1,312,172,774,086.90/1,362,070.17
  6. Step 6: Final answer
    x = 963,366.50

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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.