Home / 1,139,827.36-1,572,962.88-630,564.16

Finding the Fourth Proportional to 1,139,827.36, 1,572,962.88 and 630,564.16

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Solution

The fourth proportional to 1,139,827.36, 1,572,962.88 and 630,564.16 is: 870,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,827.36 : 1,572,962.88 = 630,564.16 : x
  2. Step 2: Convert to fraction form
    1,139,827.36/1,572,962.88 = 630,564.16/x
  3. Step 3: Cross multiply
    1,139,827.36x = 1,572,962.88 × 630,564.16
  4. Step 4: Simplify right side
    1,139,827.36x = 991,854,017,138.38
  5. Step 5: Solve for x
    x = 991,854,017,138.38/1,139,827.36
  6. Step 6: Final answer
    x = 870,179.16

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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.