Home / 1,146,859.12-1,582,719.60-637,570

Finding the Fourth Proportional to 1,146,859.12, 1,582,719.60 and 637,570

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Solution

The fourth proportional to 1,146,859.12, 1,582,719.60 and 637,570 is: 879,876.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,859.12 : 1,582,719.60 = 637,570 : x
  2. Step 2: Convert to fraction form
    1,146,859.12/1,582,719.60 = 637,570/x
  3. Step 3: Cross multiply
    1,146,859.12x = 1,582,719.60 × 637,570
  4. Step 4: Simplify right side
    1,146,859.12x = 1,009,094,535,372
  5. Step 5: Solve for x
    x = 1,009,094,535,372/1,146,859.12
  6. Step 6: Final answer
    x = 879,876.63

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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.