Home / 1,038,126.36-1,432,714.56-630,134.16

Finding the Fourth Proportional to 1,038,126.36, 1,432,714.56 and 630,134.16

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Solution

The fourth proportional to 1,038,126.36, 1,432,714.56 and 630,134.16 is: 869,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,126.36 : 1,432,714.56 = 630,134.16 : x
  2. Step 2: Convert to fraction form
    1,038,126.36/1,432,714.56 = 630,134.16/x
  3. Step 3: Cross multiply
    1,038,126.36x = 1,432,714.56 × 630,134.16
  4. Step 4: Simplify right side
    1,038,126.36x = 902,802,385,785.37
  5. Step 5: Solve for x
    x = 902,802,385,785.37/1,038,126.36
  6. Step 6: Final answer
    x = 869,645.95

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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.