Home / 1,662,384.34-2,489,967.96-1,020,740.41

Finding the Fourth Proportional to 1,662,384.34, 2,489,967.96 and 1,020,740.41

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Solution

The fourth proportional to 1,662,384.34, 2,489,967.96 and 1,020,740.41 is: 1,528,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,384.34 : 2,489,967.96 = 1,020,740.41 : x
  2. Step 2: Convert to fraction form
    1,662,384.34/2,489,967.96 = 1,020,740.41/x
  3. Step 3: Cross multiply
    1,662,384.34x = 2,489,967.96 × 1,020,740.41
  4. Step 4: Simplify right side
    1,662,384.34x = 2,541,610,922,602.18
  5. Step 5: Solve for x
    x = 2,541,610,922,602.18/1,662,384.34
  6. Step 6: Final answer
    x = 1,528,894.89

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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.