Home / 1,486,420.36-2,051,262.15-807,356.86

Finding the Fourth Proportional to 1,486,420.36, 2,051,262.15 and 807,356.86

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Solution

The fourth proportional to 1,486,420.36, 2,051,262.15 and 807,356.86 is: 1,114,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,420.36 : 2,051,262.15 = 807,356.86 : x
  2. Step 2: Convert to fraction form
    1,486,420.36/2,051,262.15 = 807,356.86/x
  3. Step 3: Cross multiply
    1,486,420.36x = 2,051,262.15 × 807,356.86
  4. Step 4: Simplify right side
    1,486,420.36x = 1,656,100,563,332.69
  5. Step 5: Solve for x
    x = 1,656,100,563,332.69/1,486,420.36
  6. Step 6: Final answer
    x = 1,114,153.58

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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.