Home / 1,346,867.40-2,018,880.78-448,068.36

Finding the Fourth Proportional to 1,346,867.40, 2,018,880.78 and 448,068.36

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Solution

The fourth proportional to 1,346,867.40, 2,018,880.78 and 448,068.36 is: 671,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,867.40 : 2,018,880.78 = 448,068.36 : x
  2. Step 2: Convert to fraction form
    1,346,867.40/2,018,880.78 = 448,068.36/x
  3. Step 3: Cross multiply
    1,346,867.40x = 2,018,880.78 × 448,068.36
  4. Step 4: Simplify right side
    1,346,867.40x = 904,596,600,130.12
  5. Step 5: Solve for x
    x = 904,596,600,130.12/1,346,867.40
  6. Step 6: Final answer
    x = 671,630.04

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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.