Home / 1,445,316-2,178,132.03-1,301,397.90

Finding the Fourth Proportional to 1,445,316, 2,178,132.03 and 1,301,397.90

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Solution

The fourth proportional to 1,445,316, 2,178,132.03 and 1,301,397.90 is: 1,961,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,316 : 2,178,132.03 = 1,301,397.90 : x
  2. Step 2: Convert to fraction form
    1,445,316/2,178,132.03 = 1,301,397.90/x
  3. Step 3: Cross multiply
    1,445,316x = 2,178,132.03 × 1,301,397.90
  4. Step 4: Simplify right side
    1,445,316x = 2,834,616,449,764.74
  5. Step 5: Solve for x
    x = 2,834,616,449,764.74/1,445,316
  6. Step 6: Final answer
    x = 1,961,243.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.