Home / 1,448,208.40-2,172,301.80-437,328.40

Finding the Fourth Proportional to 1,448,208.40, 2,172,301.80 and 437,328.40

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Solution

The fourth proportional to 1,448,208.40, 2,172,301.80 and 437,328.40 is: 655,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,208.40 : 2,172,301.80 = 437,328.40 : x
  2. Step 2: Convert to fraction form
    1,448,208.40/2,172,301.80 = 437,328.40/x
  3. Step 3: Cross multiply
    1,448,208.40x = 2,172,301.80 × 437,328.40
  4. Step 4: Simplify right side
    1,448,208.40x = 950,009,270,511.12
  5. Step 5: Solve for x
    x = 950,009,270,511.12/1,448,208.40
  6. Step 6: Final answer
    x = 655,989.34

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1.5x scale

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.