Home / 1,140,511.76-1,708,878.54-801,898.02

Finding the Fourth Proportional to 1,140,511.76, 1,708,878.54 and 801,898.02

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Solution

The fourth proportional to 1,140,511.76, 1,708,878.54 and 801,898.02 is: 1,201,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,511.76 : 1,708,878.54 = 801,898.02 : x
  2. Step 2: Convert to fraction form
    1,140,511.76/1,708,878.54 = 801,898.02/x
  3. Step 3: Cross multiply
    1,140,511.76x = 1,708,878.54 × 801,898.02
  4. Step 4: Simplify right side
    1,140,511.76x = 1,370,346,317,646.49
  5. Step 5: Solve for x
    x = 1,370,346,317,646.49/1,140,511.76
  6. Step 6: Final answer
    x = 1,201,518.80

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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.