Home / 1,317,001.32-1,817,461.86-713,389.32

Finding the Fourth Proportional to 1,317,001.32, 1,817,461.86 and 713,389.32

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Solution

The fourth proportional to 1,317,001.32, 1,817,461.86 and 713,389.32 is: 984,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,001.32 : 1,817,461.86 = 713,389.32 : x
  2. Step 2: Convert to fraction form
    1,317,001.32/1,817,461.86 = 713,389.32/x
  3. Step 3: Cross multiply
    1,317,001.32x = 1,817,461.86 × 713,389.32
  4. Step 4: Simplify right side
    1,317,001.32x = 1,296,557,880,431.34
  5. Step 5: Solve for x
    x = 1,296,557,880,431.34/1,317,001.32
  6. Step 6: Final answer
    x = 984,477.28

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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.