Home / 1,558,963.08-2,151,327.33-870,615.90

Finding the Fourth Proportional to 1,558,963.08, 2,151,327.33 and 870,615.90

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Solution

The fourth proportional to 1,558,963.08, 2,151,327.33 and 870,615.90 is: 1,201,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,963.08 : 2,151,327.33 = 870,615.90 : x
  2. Step 2: Convert to fraction form
    1,558,963.08/2,151,327.33 = 870,615.90/x
  3. Step 3: Cross multiply
    1,558,963.08x = 2,151,327.33 × 870,615.90
  4. Step 4: Simplify right side
    1,558,963.08x = 1,872,979,779,602.55
  5. Step 5: Solve for x
    x = 1,872,979,779,602.55/1,558,963.08
  6. Step 6: Final answer
    x = 1,201,426.64

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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.