Home / 1,470,637.20-2,206,020.60-830,931.60

Finding the Fourth Proportional to 1,470,637.20, 2,206,020.60 and 830,931.60

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Solution

The fourth proportional to 1,470,637.20, 2,206,020.60 and 830,931.60 is: 1,246,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,637.20 : 2,206,020.60 = 830,931.60 : x
  2. Step 2: Convert to fraction form
    1,470,637.20/2,206,020.60 = 830,931.60/x
  3. Step 3: Cross multiply
    1,470,637.20x = 2,206,020.60 × 830,931.60
  4. Step 4: Simplify right side
    1,470,637.20x = 1,833,052,226,790.96
  5. Step 5: Solve for x
    x = 1,833,052,226,790.96/1,470,637.20
  6. Step 6: Final answer
    x = 1,246,434.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.