Home / 1,312,495.28-1,811,244.10-708,883.28

Finding the Fourth Proportional to 1,312,495.28, 1,811,244.10 and 708,883.28

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Solution

The fourth proportional to 1,312,495.28, 1,811,244.10 and 708,883.28 is: 978,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,495.28 : 1,811,244.10 = 708,883.28 : x
  2. Step 2: Convert to fraction form
    1,312,495.28/1,811,244.10 = 708,883.28/x
  3. Step 3: Cross multiply
    1,312,495.28x = 1,811,244.10 × 708,883.28
  4. Step 4: Simplify right side
    1,312,495.28x = 1,283,960,658,488.65
  5. Step 5: Solve for x
    x = 1,283,960,658,488.65/1,312,495.28
  6. Step 6: Final answer
    x = 978,259.26

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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.