Home / 1,139,937.42-1,573,159.95-630,631.02

Finding the Fourth Proportional to 1,139,937.42, 1,573,159.95 and 630,631.02

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Solution

The fourth proportional to 1,139,937.42, 1,573,159.95 and 630,631.02 is: 870,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,937.42 : 1,573,159.95 = 630,631.02 : x
  2. Step 2: Convert to fraction form
    1,139,937.42/1,573,159.95 = 630,631.02/x
  3. Step 3: Cross multiply
    1,139,937.42x = 1,573,159.95 × 630,631.02
  4. Step 4: Simplify right side
    1,139,937.42x = 992,083,463,891.65
  5. Step 5: Solve for x
    x = 992,083,463,891.65/1,139,937.42
  6. Step 6: Final answer
    x = 870,296.43

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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.