Home / 1,312,267.50-1,810,929.24-708,655.50

Finding the Fourth Proportional to 1,312,267.50, 1,810,929.24 and 708,655.50

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Solution

The fourth proportional to 1,312,267.50, 1,810,929.24 and 708,655.50 is: 977,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,267.50 : 1,810,929.24 = 708,655.50 : x
  2. Step 2: Convert to fraction form
    1,312,267.50/1,810,929.24 = 708,655.50/x
  3. Step 3: Cross multiply
    1,312,267.50x = 1,810,929.24 × 708,655.50
  4. Step 4: Simplify right side
    1,312,267.50x = 1,283,324,966,036.82
  5. Step 5: Solve for x
    x = 1,283,324,966,036.82/1,312,267.50
  6. Step 6: Final answer
    x = 977,944.64

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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.