Home / 1,086,386.40-1,629,579.60-637,322.40

Finding the Fourth Proportional to 1,086,386.40, 1,629,579.60 and 637,322.40

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Solution

The fourth proportional to 1,086,386.40, 1,629,579.60 and 637,322.40 is: 955,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,386.40 : 1,629,579.60 = 637,322.40 : x
  2. Step 2: Convert to fraction form
    1,086,386.40/1,629,579.60 = 637,322.40/x
  3. Step 3: Cross multiply
    1,086,386.40x = 1,629,579.60 × 637,322.40
  4. Step 4: Simplify right side
    1,086,386.40x = 1,038,567,581,663.04
  5. Step 5: Solve for x
    x = 1,038,567,581,663.04/1,086,386.40
  6. Step 6: Final answer
    x = 955,983.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.