Home / 993,285.12-1,370,707.20-540,566.40

Finding the Fourth Proportional to 993,285.12, 1,370,707.20 and 540,566.40

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Solution

The fourth proportional to 993,285.12, 1,370,707.20 and 540,566.40 is: 745,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,285.12 : 1,370,707.20 = 540,566.40 : x
  2. Step 2: Convert to fraction form
    993,285.12/1,370,707.20 = 540,566.40/x
  3. Step 3: Cross multiply
    993,285.12x = 1,370,707.20 × 540,566.40
  4. Step 4: Simplify right side
    993,285.12x = 740,958,256,558.08
  5. Step 5: Solve for x
    x = 740,958,256,558.08/993,285.12
  6. Step 6: Final answer
    x = 745,967.34

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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.