Home / 1,155,701.02-1,594,914.41-639,446.51

Finding the Fourth Proportional to 1,155,701.02, 1,594,914.41 and 639,446.51

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Solution

The fourth proportional to 1,155,701.02, 1,594,914.41 and 639,446.51 is: 882,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,701.02 : 1,594,914.41 = 639,446.51 : x
  2. Step 2: Convert to fraction form
    1,155,701.02/1,594,914.41 = 639,446.51/x
  3. Step 3: Cross multiply
    1,155,701.02x = 1,594,914.41 × 639,446.51
  4. Step 4: Simplify right side
    1,155,701.02x = 1,019,862,453,223.21
  5. Step 5: Solve for x
    x = 1,019,862,453,223.21/1,155,701.02
  6. Step 6: Final answer
    x = 882,462.19

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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.