Home / 1,013,445.90-1,398,573.06-554,601.18

Finding the Fourth Proportional to 1,013,445.90, 1,398,573.06 and 554,601.18

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Solution

The fourth proportional to 1,013,445.90, 1,398,573.06 and 554,601.18 is: 765,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,445.90 : 1,398,573.06 = 554,601.18 : x
  2. Step 2: Convert to fraction form
    1,013,445.90/1,398,573.06 = 554,601.18/x
  3. Step 3: Cross multiply
    1,013,445.90x = 1,398,573.06 × 554,601.18
  4. Step 4: Simplify right side
    1,013,445.90x = 775,650,269,392.21
  5. Step 5: Solve for x
    x = 775,650,269,392.21/1,013,445.90
  6. Step 6: Final answer
    x = 765,359.32

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Double scale
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1.5x scale

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.