Home / 1,500,888.08-2,071,248.36-821,887.76

Finding the Fourth Proportional to 1,500,888.08, 2,071,248.36 and 821,887.76

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Solution

The fourth proportional to 1,500,888.08, 2,071,248.36 and 821,887.76 is: 1,134,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,888.08 : 2,071,248.36 = 821,887.76 : x
  2. Step 2: Convert to fraction form
    1,500,888.08/2,071,248.36 = 821,887.76/x
  3. Step 3: Cross multiply
    1,500,888.08x = 2,071,248.36 × 821,887.76
  4. Step 4: Simplify right side
    1,500,888.08x = 1,702,333,675,004.07
  5. Step 5: Solve for x
    x = 1,702,333,675,004.07/1,500,888.08
  6. Step 6: Final answer
    x = 1,134,217.60

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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.