Home / 1,464,896.10-2,021,509.53-811,495.20

Finding the Fourth Proportional to 1,464,896.10, 2,021,509.53 and 811,495.20

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Solution

The fourth proportional to 1,464,896.10, 2,021,509.53 and 811,495.20 is: 1,119,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,896.10 : 2,021,509.53 = 811,495.20 : x
  2. Step 2: Convert to fraction form
    1,464,896.10/2,021,509.53 = 811,495.20/x
  3. Step 3: Cross multiply
    1,464,896.10x = 2,021,509.53 × 811,495.20
  4. Step 4: Simplify right side
    1,464,896.10x = 1,640,445,280,349.26
  5. Step 5: Solve for x
    x = 1,640,445,280,349.26/1,464,896.10
  6. Step 6: Final answer
    x = 1,119,837.29

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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.