Home / 1,256,599.08-1,870,686.12-1,249,125.72

Finding the Fourth Proportional to 1,256,599.08, 1,870,686.12 and 1,249,125.72

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Solution

The fourth proportional to 1,256,599.08, 1,870,686.12 and 1,249,125.72 is: 1,859,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,599.08 : 1,870,686.12 = 1,249,125.72 : x
  2. Step 2: Convert to fraction form
    1,256,599.08/1,870,686.12 = 1,249,125.72/x
  3. Step 3: Cross multiply
    1,256,599.08x = 1,870,686.12 × 1,249,125.72
  4. Step 4: Simplify right side
    1,256,599.08x = 2,336,722,146,539.01
  5. Step 5: Solve for x
    x = 2,336,722,146,539.01/1,256,599.08
  6. Step 6: Final answer
    x = 1,859,560.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.