Home / 1,107,420.54-1,528,254.63-654,707.58

Finding the Fourth Proportional to 1,107,420.54, 1,528,254.63 and 654,707.58

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Solution

The fourth proportional to 1,107,420.54, 1,528,254.63 and 654,707.58 is: 903,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,420.54 : 1,528,254.63 = 654,707.58 : x
  2. Step 2: Convert to fraction form
    1,107,420.54/1,528,254.63 = 654,707.58/x
  3. Step 3: Cross multiply
    1,107,420.54x = 1,528,254.63 × 654,707.58
  4. Step 4: Simplify right side
    1,107,420.54x = 1,000,559,890,431.10
  5. Step 5: Solve for x
    x = 1,000,559,890,431.10/1,107,420.54
  6. Step 6: Final answer
    x = 903,504.91

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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.