Home / 1,437,080.95-2,157,039.65-763,160.32

Finding the Fourth Proportional to 1,437,080.95, 2,157,039.65 and 763,160.32

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Solution

The fourth proportional to 1,437,080.95, 2,157,039.65 and 763,160.32 is: 1,145,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,080.95 : 2,157,039.65 = 763,160.32 : x
  2. Step 2: Convert to fraction form
    1,437,080.95/2,157,039.65 = 763,160.32/x
  3. Step 3: Cross multiply
    1,437,080.95x = 2,157,039.65 × 763,160.32
  4. Step 4: Simplify right side
    1,437,080.95x = 1,646,167,065,730.89
  5. Step 5: Solve for x
    x = 1,646,167,065,730.89/1,437,080.95
  6. Step 6: Final answer
    x = 1,145,493.62

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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.