Home / 1,595,438.83-2,201,719.65-870,289.77

Finding the Fourth Proportional to 1,595,438.83, 2,201,719.65 and 870,289.77

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Solution

The fourth proportional to 1,595,438.83, 2,201,719.65 and 870,289.77 is: 1,201,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,438.83 : 2,201,719.65 = 870,289.77 : x
  2. Step 2: Convert to fraction form
    1,595,438.83/2,201,719.65 = 870,289.77/x
  3. Step 3: Cross multiply
    1,595,438.83x = 2,201,719.65 × 870,289.77
  4. Step 4: Simplify right side
    1,595,438.83x = 1,916,134,087,802.98
  5. Step 5: Solve for x
    x = 1,916,134,087,802.98/1,595,438.83
  6. Step 6: Final answer
    x = 1,201,007.55

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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.