Home / 1,139,582.36-1,572,671.22-656,135.48

Finding the Fourth Proportional to 1,139,582.36, 1,572,671.22 and 656,135.48

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Solution

The fourth proportional to 1,139,582.36, 1,572,671.22 and 656,135.48 is: 905,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,582.36 : 1,572,671.22 = 656,135.48 : x
  2. Step 2: Convert to fraction form
    1,139,582.36/1,572,671.22 = 656,135.48/x
  3. Step 3: Cross multiply
    1,139,582.36x = 1,572,671.22 × 656,135.48
  4. Step 4: Simplify right side
    1,139,582.36x = 1,031,885,385,816.89
  5. Step 5: Solve for x
    x = 1,031,885,385,816.89/1,139,582.36
  6. Step 6: Final answer
    x = 905,494.35

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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.