Home / 1,139,934.42-1,573,155.81-630,628.02

Finding the Fourth Proportional to 1,139,934.42, 1,573,155.81 and 630,628.02

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Solution

The fourth proportional to 1,139,934.42, 1,573,155.81 and 630,628.02 is: 870,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,934.42 : 1,573,155.81 = 630,628.02 : x
  2. Step 2: Convert to fraction form
    1,139,934.42/1,573,155.81 = 630,628.02/x
  3. Step 3: Cross multiply
    1,139,934.42x = 1,573,155.81 × 630,628.02
  4. Step 4: Simplify right side
    1,139,934.42x = 992,076,133,611.80
  5. Step 5: Solve for x
    x = 992,076,133,611.80/1,139,934.42
  6. Step 6: Final answer
    x = 870,292.29

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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.