Home / 1,246,307.50-1,869,642.15-393,090.76

Finding the Fourth Proportional to 1,246,307.50, 1,869,642.15 and 393,090.76

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Solution

The fourth proportional to 1,246,307.50, 1,869,642.15 and 393,090.76 is: 589,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,307.50 : 1,869,642.15 = 393,090.76 : x
  2. Step 2: Convert to fraction form
    1,246,307.50/1,869,642.15 = 393,090.76/x
  3. Step 3: Cross multiply
    1,246,307.50x = 1,869,642.15 × 393,090.76
  4. Step 4: Simplify right side
    1,246,307.50x = 734,939,053,671.53
  5. Step 5: Solve for x
    x = 734,939,053,671.53/1,246,307.50
  6. Step 6: Final answer
    x = 589,693.20

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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.