Home / 1,431,090.56-1,974,952.32-786,533.60

Finding the Fourth Proportional to 1,431,090.56, 1,974,952.32 and 786,533.60

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Solution

The fourth proportional to 1,431,090.56, 1,974,952.32 and 786,533.60 is: 1,085,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,090.56 : 1,974,952.32 = 786,533.60 : x
  2. Step 2: Convert to fraction form
    1,431,090.56/1,974,952.32 = 786,533.60/x
  3. Step 3: Cross multiply
    1,431,090.56x = 1,974,952.32 × 786,533.60
  4. Step 4: Simplify right side
    1,431,090.56x = 1,553,366,358,077.95
  5. Step 5: Solve for x
    x = 1,553,366,358,077.95/1,431,090.56
  6. Step 6: Final answer
    x = 1,085,442.39

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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.