Home / 993,141-1,370,534.58-540,435.24

Finding the Fourth Proportional to 993,141, 1,370,534.58 and 540,435.24

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Solution

The fourth proportional to 993,141, 1,370,534.58 and 540,435.24 is: 745,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,141 : 1,370,534.58 = 540,435.24 : x
  2. Step 2: Convert to fraction form
    993,141/1,370,534.58 = 540,435.24/x
  3. Step 3: Cross multiply
    993,141x = 1,370,534.58 × 540,435.24
  4. Step 4: Simplify right side
    993,141x = 740,685,184,670.60
  5. Step 5: Solve for x
    x = 740,685,184,670.60/993,141
  6. Step 6: Final answer
    x = 745,800.63

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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.