Home / 1,153,878.80-1,592,348.72-637,618.32

Finding the Fourth Proportional to 1,153,878.80, 1,592,348.72 and 637,618.32

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Solution

The fourth proportional to 1,153,878.80, 1,592,348.72 and 637,618.32 is: 879,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,878.80 : 1,592,348.72 = 637,618.32 : x
  2. Step 2: Convert to fraction form
    1,153,878.80/1,592,348.72 = 637,618.32/x
  3. Step 3: Cross multiply
    1,153,878.80x = 1,592,348.72 × 637,618.32
  4. Step 4: Simplify right side
    1,153,878.80x = 1,015,310,715,700.55
  5. Step 5: Solve for x
    x = 1,015,310,715,700.55/1,153,878.80
  6. Step 6: Final answer
    x = 879,911.06

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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.