Home / 1,667,279.40-2,300,815.52-942,111.51

Finding the Fourth Proportional to 1,667,279.40, 2,300,815.52 and 942,111.51

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Solution

The fourth proportional to 1,667,279.40, 2,300,815.52 and 942,111.51 is: 1,300,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,279.40 : 2,300,815.52 = 942,111.51 : x
  2. Step 2: Convert to fraction form
    1,667,279.40/2,300,815.52 = 942,111.51/x
  3. Step 3: Cross multiply
    1,667,279.40x = 2,300,815.52 × 942,111.51
  4. Step 4: Simplify right side
    1,667,279.40x = 2,167,624,779,068.08
  5. Step 5: Solve for x
    x = 2,167,624,779,068.08/1,667,279.40
  6. Step 6: Final answer
    x = 1,300,096.90

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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.