Home / 1,312,307.22-1,810,983.95-708,695.22

Finding the Fourth Proportional to 1,312,307.22, 1,810,983.95 and 708,695.22

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Solution

The fourth proportional to 1,312,307.22, 1,810,983.95 and 708,695.22 is: 977,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,307.22 : 1,810,983.95 = 708,695.22 : x
  2. Step 2: Convert to fraction form
    1,312,307.22/1,810,983.95 = 708,695.22/x
  3. Step 3: Cross multiply
    1,312,307.22x = 1,810,983.95 × 708,695.22
  4. Step 4: Simplify right side
    1,312,307.22x = 1,283,435,665,318.24
  5. Step 5: Solve for x
    x = 1,283,435,665,318.24/1,312,307.22
  6. Step 6: Final answer
    x = 977,999.39

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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.