Home / 1,448,985.20-2,173,477.80-910,108.40

Finding the Fourth Proportional to 1,448,985.20, 2,173,477.80 and 910,108.40

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Solution

The fourth proportional to 1,448,985.20, 2,173,477.80 and 910,108.40 is: 1,365,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,985.20 : 2,173,477.80 = 910,108.40 : x
  2. Step 2: Convert to fraction form
    1,448,985.20/2,173,477.80 = 910,108.40/x
  3. Step 3: Cross multiply
    1,448,985.20x = 2,173,477.80 × 910,108.40
  4. Step 4: Simplify right side
    1,448,985.20x = 1,978,100,402,993.52
  5. Step 5: Solve for x
    x = 1,978,100,402,993.52/1,448,985.20
  6. Step 6: Final answer
    x = 1,365,162.60

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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.