Home / 1,771,946.80-2,656,105.80-872,004.40

Finding the Fourth Proportional to 1,771,946.80, 2,656,105.80 and 872,004.40

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Solution

The fourth proportional to 1,771,946.80, 2,656,105.80 and 872,004.40 is: 1,307,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,946.80 : 2,656,105.80 = 872,004.40 : x
  2. Step 2: Convert to fraction form
    1,771,946.80/2,656,105.80 = 872,004.40/x
  3. Step 3: Cross multiply
    1,771,946.80x = 2,656,105.80 × 872,004.40
  4. Step 4: Simplify right side
    1,771,946.80x = 2,316,135,944,465.52
  5. Step 5: Solve for x
    x = 2,316,135,944,465.52/1,771,946.80
  6. Step 6: Final answer
    x = 1,307,113.70

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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.