Home / 1,295,486.10-1,788,602.85-812,713.14

Finding the Fourth Proportional to 1,295,486.10, 1,788,602.85 and 812,713.14

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Solution

The fourth proportional to 1,295,486.10, 1,788,602.85 and 812,713.14 is: 1,122,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,486.10 : 1,788,602.85 = 812,713.14 : x
  2. Step 2: Convert to fraction form
    1,295,486.10/1,788,602.85 = 812,713.14/x
  3. Step 3: Cross multiply
    1,295,486.10x = 1,788,602.85 × 812,713.14
  4. Step 4: Simplify right side
    1,295,486.10x = 1,453,621,038,436.45
  5. Step 5: Solve for x
    x = 1,453,621,038,436.45/1,295,486.10
  6. Step 6: Final answer
    x = 1,122,066.10

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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.