Home / 1,256,671.02-1,870,792.20-1,249,197.57

Finding the Fourth Proportional to 1,256,671.02, 1,870,792.20 and 1,249,197.57

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Solution

The fourth proportional to 1,256,671.02, 1,870,792.20 and 1,249,197.57 is: 1,859,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,671.02 : 1,870,792.20 = 1,249,197.57 : x
  2. Step 2: Convert to fraction form
    1,256,671.02/1,870,792.20 = 1,249,197.57/x
  3. Step 3: Cross multiply
    1,256,671.02x = 1,870,792.20 × 1,249,197.57
  4. Step 4: Simplify right side
    1,256,671.02x = 2,336,989,070,214.95
  5. Step 5: Solve for x
    x = 2,336,989,070,214.95/1,256,671.02
  6. Step 6: Final answer
    x = 1,859,666.56

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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.