Home / 1,427,833.52-2,140,330.68-715,688

Finding the Fourth Proportional to 1,427,833.52, 2,140,330.68 and 715,688

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Solution

The fourth proportional to 1,427,833.52, 2,140,330.68 and 715,688 is: 1,072,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,833.52 : 2,140,330.68 = 715,688 : x
  2. Step 2: Convert to fraction form
    1,427,833.52/2,140,330.68 = 715,688/x
  3. Step 3: Cross multiply
    1,427,833.52x = 2,140,330.68 × 715,688
  4. Step 4: Simplify right side
    1,427,833.52x = 1,531,808,983,707.84
  5. Step 5: Solve for x
    x = 1,531,808,983,707.84/1,427,833.52
  6. Step 6: Final answer
    x = 1,072,820.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.