Home / 1,587,410.81-2,190,667.67-862,300.02

Finding the Fourth Proportional to 1,587,410.81, 2,190,667.67 and 862,300.02

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Solution

The fourth proportional to 1,587,410.81, 2,190,667.67 and 862,300.02 is: 1,189,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,410.81 : 2,190,667.67 = 862,300.02 : x
  2. Step 2: Convert to fraction form
    1,587,410.81/2,190,667.67 = 862,300.02/x
  3. Step 3: Cross multiply
    1,587,410.81x = 2,190,667.67 × 862,300.02
  4. Step 4: Simplify right side
    1,587,410.81x = 1,889,012,778,498.29
  5. Step 5: Solve for x
    x = 1,889,012,778,498.29/1,587,410.81
  6. Step 6: Final answer
    x = 1,189,996.17

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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.