Home / 1,223,977.02-1,823,663.57-1,155,220.47

Finding the Fourth Proportional to 1,223,977.02, 1,823,663.57 and 1,155,220.47

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Solution

The fourth proportional to 1,223,977.02, 1,823,663.57 and 1,155,220.47 is: 1,721,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,977.02 : 1,823,663.57 = 1,155,220.47 : x
  2. Step 2: Convert to fraction form
    1,223,977.02/1,823,663.57 = 1,155,220.47/x
  3. Step 3: Cross multiply
    1,223,977.02x = 1,823,663.57 × 1,155,220.47
  4. Step 4: Simplify right side
    1,223,977.02x = 2,106,733,486,457.28
  5. Step 5: Solve for x
    x = 2,106,733,486,457.28/1,223,977.02
  6. Step 6: Final answer
    x = 1,721,219.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.