Home / 1,007,151.18-1,389,783.87-577,332.78

Finding the Fourth Proportional to 1,007,151.18, 1,389,783.87 and 577,332.78

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Solution

The fourth proportional to 1,007,151.18, 1,389,783.87 and 577,332.78 is: 796,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,151.18 : 1,389,783.87 = 577,332.78 : x
  2. Step 2: Convert to fraction form
    1,007,151.18/1,389,783.87 = 577,332.78/x
  3. Step 3: Cross multiply
    1,007,151.18x = 1,389,783.87 × 577,332.78
  4. Step 4: Simplify right side
    1,007,151.18x = 802,367,785,266.26
  5. Step 5: Solve for x
    x = 802,367,785,266.26/1,007,151.18
  6. Step 6: Final answer
    x = 796,670.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.