Home / 1,676,929.71-2,515,968.60-716,989.80

Finding the Fourth Proportional to 1,676,929.71, 2,515,968.60 and 716,989.80

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Solution

The fourth proportional to 1,676,929.71, 2,515,968.60 and 716,989.80 is: 1,075,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,929.71 : 2,515,968.60 = 716,989.80 : x
  2. Step 2: Convert to fraction form
    1,676,929.71/2,515,968.60 = 716,989.80/x
  3. Step 3: Cross multiply
    1,676,929.71x = 2,515,968.60 × 716,989.80
  4. Step 4: Simplify right side
    1,676,929.71x = 1,803,923,823,320.28
  5. Step 5: Solve for x
    x = 1,803,923,823,320.28/1,676,929.71
  6. Step 6: Final answer
    x = 1,075,730.13

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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.