Home / 1,003,548.90-1,507,072.95-972,056.10

Finding the Fourth Proportional to 1,003,548.90, 1,507,072.95 and 972,056.10

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Solution

The fourth proportional to 1,003,548.90, 1,507,072.95 and 972,056.10 is: 1,459,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,548.90 : 1,507,072.95 = 972,056.10 : x
  2. Step 2: Convert to fraction form
    1,003,548.90/1,507,072.95 = 972,056.10/x
  3. Step 3: Cross multiply
    1,003,548.90x = 1,507,072.95 × 972,056.10
  4. Step 4: Simplify right side
    1,003,548.90x = 1,464,959,454,192.50
  5. Step 5: Solve for x
    x = 1,464,959,454,192.50/1,003,548.90
  6. Step 6: Final answer
    x = 1,459,778.85

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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.