Home / 1,798,145.03-2,697,397.95-518,784.19

Finding the Fourth Proportional to 1,798,145.03, 2,697,397.95 and 518,784.19

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Solution

The fourth proportional to 1,798,145.03, 2,697,397.95 and 518,784.19 is: 778,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,145.03 : 2,697,397.95 = 518,784.19 : x
  2. Step 2: Convert to fraction form
    1,798,145.03/2,697,397.95 = 518,784.19/x
  3. Step 3: Cross multiply
    1,798,145.03x = 2,697,397.95 × 518,784.19
  4. Step 4: Simplify right side
    1,798,145.03x = 1,399,367,410,598.41
  5. Step 5: Solve for x
    x = 1,399,367,410,598.41/1,798,145.03
  6. Step 6: Final answer
    x = 778,228.33

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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.