Home / 1,036,369.63-1,554,339.99-278,031.32

Finding the Fourth Proportional to 1,036,369.63, 1,554,339.99 and 278,031.32

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Solution

The fourth proportional to 1,036,369.63, 1,554,339.99 and 278,031.32 is: 416,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,369.63 : 1,554,339.99 = 278,031.32 : x
  2. Step 2: Convert to fraction form
    1,036,369.63/1,554,339.99 = 278,031.32/x
  3. Step 3: Cross multiply
    1,036,369.63x = 1,554,339.99 × 278,031.32
  4. Step 4: Simplify right side
    1,036,369.63x = 432,155,199,148.49
  5. Step 5: Solve for x
    x = 432,155,199,148.49/1,036,369.63
  6. Step 6: Final answer
    x = 416,989.45

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Double scale
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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.