Home / 1,549,812.37-2,138,646.59-870,792.61

Finding the Fourth Proportional to 1,549,812.37, 2,138,646.59 and 870,792.61

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Solution

The fourth proportional to 1,549,812.37, 2,138,646.59 and 870,792.61 is: 1,201,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,812.37 : 2,138,646.59 = 870,792.61 : x
  2. Step 2: Convert to fraction form
    1,549,812.37/2,138,646.59 = 870,792.61/x
  3. Step 3: Cross multiply
    1,549,812.37x = 2,138,646.59 × 870,792.61
  4. Step 4: Simplify right side
    1,549,812.37x = 1,862,317,645,973.70
  5. Step 5: Solve for x
    x = 1,862,317,645,973.70/1,549,812.37
  6. Step 6: Final answer
    x = 1,201,640.72

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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.