Home / 1,308,971.88-1,963,460.52-362,345.40

Finding the Fourth Proportional to 1,308,971.88, 1,963,460.52 and 362,345.40

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Solution

The fourth proportional to 1,308,971.88, 1,963,460.52 and 362,345.40 is: 543,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,971.88 : 1,963,460.52 = 362,345.40 : x
  2. Step 2: Convert to fraction form
    1,308,971.88/1,963,460.52 = 362,345.40/x
  3. Step 3: Cross multiply
    1,308,971.88x = 1,963,460.52 × 362,345.40
  4. Step 4: Simplify right side
    1,308,971.88x = 711,450,887,503.61
  5. Step 5: Solve for x
    x = 711,450,887,503.61/1,308,971.88
  6. Step 6: Final answer
    x = 543,518.85

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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.