Home / 1,113,935.04-1,537,228.80-630,491.52

Finding the Fourth Proportional to 1,113,935.04, 1,537,228.80 and 630,491.52

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Solution

The fourth proportional to 1,113,935.04, 1,537,228.80 and 630,491.52 is: 870,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,935.04 : 1,537,228.80 = 630,491.52 : x
  2. Step 2: Convert to fraction form
    1,113,935.04/1,537,228.80 = 630,491.52/x
  3. Step 3: Cross multiply
    1,113,935.04x = 1,537,228.80 × 630,491.52
  4. Step 4: Simplify right side
    1,113,935.04x = 969,209,722,699.78
  5. Step 5: Solve for x
    x = 969,209,722,699.78/1,113,935.04
  6. Step 6: Final answer
    x = 870,077.42

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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.