Home / 1,026,420.66-1,539,631.80-278,466.66

Finding the Fourth Proportional to 1,026,420.66, 1,539,631.80 and 278,466.66

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Solution

The fourth proportional to 1,026,420.66, 1,539,631.80 and 278,466.66 is: 417,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,420.66 : 1,539,631.80 = 278,466.66 : x
  2. Step 2: Convert to fraction form
    1,026,420.66/1,539,631.80 = 278,466.66/x
  3. Step 3: Cross multiply
    1,026,420.66x = 1,539,631.80 × 278,466.66
  4. Step 4: Simplify right side
    1,026,420.66x = 428,736,124,975.79
  5. Step 5: Solve for x
    x = 428,736,124,975.79/1,026,420.66
  6. Step 6: Final answer
    x = 417,700.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.