Home / 1,138,968.16-1,708,468.80-297,520

Finding the Fourth Proportional to 1,138,968.16, 1,708,468.80 and 297,520

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Solution

The fourth proportional to 1,138,968.16, 1,708,468.80 and 297,520 is: 446,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,968.16 : 1,708,468.80 = 297,520 : x
  2. Step 2: Convert to fraction form
    1,138,968.16/1,708,468.80 = 297,520/x
  3. Step 3: Cross multiply
    1,138,968.16x = 1,708,468.80 × 297,520
  4. Step 4: Simplify right side
    1,138,968.16x = 508,303,637,376
  5. Step 5: Solve for x
    x = 508,303,637,376/1,138,968.16
  6. Step 6: Final answer
    x = 446,284.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.