Home / 1,439,078.66-2,159,746.08-1,003,966.55

Finding the Fourth Proportional to 1,439,078.66, 2,159,746.08 and 1,003,966.55

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Solution

The fourth proportional to 1,439,078.66, 2,159,746.08 and 1,003,966.55 is: 1,506,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,078.66 : 2,159,746.08 = 1,003,966.55 : x
  2. Step 2: Convert to fraction form
    1,439,078.66/2,159,746.08 = 1,003,966.55/x
  3. Step 3: Cross multiply
    1,439,078.66x = 2,159,746.08 × 1,003,966.55
  4. Step 4: Simplify right side
    1,439,078.66x = 2,168,312,820,813.62
  5. Step 5: Solve for x
    x = 2,168,312,820,813.62/1,439,078.66
  6. Step 6: Final answer
    x = 1,506,736.83

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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.