Home / 1,389,619.93-2,084,598.02-490,877.75

Finding the Fourth Proportional to 1,389,619.93, 2,084,598.02 and 490,877.75

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Solution

The fourth proportional to 1,389,619.93, 2,084,598.02 and 490,877.75 is: 736,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,619.93 : 2,084,598.02 = 490,877.75 : x
  2. Step 2: Convert to fraction form
    1,389,619.93/2,084,598.02 = 490,877.75/x
  3. Step 3: Cross multiply
    1,389,619.93x = 2,084,598.02 × 490,877.75
  4. Step 4: Simplify right side
    1,389,619.93x = 1,023,282,772,834.68
  5. Step 5: Solve for x
    x = 1,023,282,772,834.68/1,389,619.93
  6. Step 6: Final answer
    x = 736,376.01

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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.