Home / 1,256,613.60-1,870,706.88-1,249,140.12

Finding the Fourth Proportional to 1,256,613.60, 1,870,706.88 and 1,249,140.12

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Solution

The fourth proportional to 1,256,613.60, 1,870,706.88 and 1,249,140.12 is: 1,859,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,613.60 : 1,870,706.88 = 1,249,140.12 : x
  2. Step 2: Convert to fraction form
    1,256,613.60/1,870,706.88 = 1,249,140.12/x
  3. Step 3: Cross multiply
    1,256,613.60x = 1,870,706.88 × 1,249,140.12
  4. Step 4: Simplify right side
    1,256,613.60x = 2,336,775,016,568.03
  5. Step 5: Solve for x
    x = 2,336,775,016,568.03/1,256,613.60
  6. Step 6: Final answer
    x = 1,859,581.19

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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.