Home / 1,326,661.60-1,989,992.40-848,364.70

Finding the Fourth Proportional to 1,326,661.60, 1,989,992.40 and 848,364.70

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Solution

The fourth proportional to 1,326,661.60, 1,989,992.40 and 848,364.70 is: 1,272,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,661.60 : 1,989,992.40 = 848,364.70 : x
  2. Step 2: Convert to fraction form
    1,326,661.60/1,989,992.40 = 848,364.70/x
  3. Step 3: Cross multiply
    1,326,661.60x = 1,989,992.40 × 848,364.70
  4. Step 4: Simplify right side
    1,326,661.60x = 1,688,239,305,428.28
  5. Step 5: Solve for x
    x = 1,688,239,305,428.28/1,326,661.60
  6. Step 6: Final answer
    x = 1,272,547.05

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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.