Home / 1,312,277.50-1,810,943.04-708,665.50

Finding the Fourth Proportional to 1,312,277.50, 1,810,943.04 and 708,665.50

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Solution

The fourth proportional to 1,312,277.50, 1,810,943.04 and 708,665.50 is: 977,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,277.50 : 1,810,943.04 = 708,665.50 : x
  2. Step 2: Convert to fraction form
    1,312,277.50/1,810,943.04 = 708,665.50/x
  3. Step 3: Cross multiply
    1,312,277.50x = 1,810,943.04 × 708,665.50
  4. Step 4: Simplify right side
    1,312,277.50x = 1,283,352,854,913.12
  5. Step 5: Solve for x
    x = 1,283,352,854,913.12/1,312,277.50
  6. Step 6: Final answer
    x = 977,958.44

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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.