Home / 1,155,637.80-1,594,771.02-646,339.80

Finding the Fourth Proportional to 1,155,637.80, 1,594,771.02 and 646,339.80

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Solution

The fourth proportional to 1,155,637.80, 1,594,771.02 and 646,339.80 is: 891,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,637.80 : 1,594,771.02 = 646,339.80 : x
  2. Step 2: Convert to fraction form
    1,155,637.80/1,594,771.02 = 646,339.80/x
  3. Step 3: Cross multiply
    1,155,637.80x = 1,594,771.02 × 646,339.80
  4. Step 4: Simplify right side
    1,155,637.80x = 1,030,763,982,112.60
  5. Step 5: Solve for x
    x = 1,030,763,982,112.60/1,155,637.80
  6. Step 6: Final answer
    x = 891,943.81

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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.