Home / 1,642,927.20-2,462,547.60-696,136.80

Finding the Fourth Proportional to 1,642,927.20, 2,462,547.60 and 696,136.80

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Solution

The fourth proportional to 1,642,927.20, 2,462,547.60 and 696,136.80 is: 1,043,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,927.20 : 2,462,547.60 = 696,136.80 : x
  2. Step 2: Convert to fraction form
    1,642,927.20/2,462,547.60 = 696,136.80/x
  3. Step 3: Cross multiply
    1,642,927.20x = 2,462,547.60 × 696,136.80
  4. Step 4: Simplify right side
    1,642,927.20x = 1,714,270,006,111.68
  5. Step 5: Solve for x
    x = 1,714,270,006,111.68/1,642,927.20
  6. Step 6: Final answer
    x = 1,043,424.20

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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.