Home / 1,056,015.76-1,581,729.68-649,970.32

Finding the Fourth Proportional to 1,056,015.76, 1,581,729.68 and 649,970.32

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Solution

The fourth proportional to 1,056,015.76, 1,581,729.68 and 649,970.32 is: 973,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,015.76 : 1,581,729.68 = 649,970.32 : x
  2. Step 2: Convert to fraction form
    1,056,015.76/1,581,729.68 = 649,970.32/x
  3. Step 3: Cross multiply
    1,056,015.76x = 1,581,729.68 × 649,970.32
  4. Step 4: Simplify right side
    1,056,015.76x = 1,028,077,346,263.10
  5. Step 5: Solve for x
    x = 1,028,077,346,263.10/1,056,015.76
  6. Step 6: Final answer
    x = 973,543.56

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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.