Home / 1,465,068.60-2,021,698.44-820,341

Finding the Fourth Proportional to 1,465,068.60, 2,021,698.44 and 820,341

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Solution

The fourth proportional to 1,465,068.60, 2,021,698.44 and 820,341 is: 1,132,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,068.60 : 2,021,698.44 = 820,341 : x
  2. Step 2: Convert to fraction form
    1,465,068.60/2,021,698.44 = 820,341/x
  3. Step 3: Cross multiply
    1,465,068.60x = 2,021,698.44 × 820,341
  4. Step 4: Simplify right side
    1,465,068.60x = 1,658,482,119,968.04
  5. Step 5: Solve for x
    x = 1,658,482,119,968.04/1,465,068.60
  6. Step 6: Final answer
    x = 1,132,016.70

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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.