Home / 1,532,789.58-2,115,032.67-870,478.50

Finding the Fourth Proportional to 1,532,789.58, 2,115,032.67 and 870,478.50

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Solution

The fourth proportional to 1,532,789.58, 2,115,032.67 and 870,478.50 is: 1,201,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,789.58 : 2,115,032.67 = 870,478.50 : x
  2. Step 2: Convert to fraction form
    1,532,789.58/2,115,032.67 = 870,478.50/x
  3. Step 3: Cross multiply
    1,532,789.58x = 2,115,032.67 × 870,478.50
  4. Step 4: Simplify right side
    1,532,789.58x = 1,841,090,466,032.60
  5. Step 5: Solve for x
    x = 1,841,090,466,032.60/1,532,789.58
  6. Step 6: Final answer
    x = 1,201,137.12

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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.