Home / 1,380,127.95-2,070,274.59-433,498.64

Finding the Fourth Proportional to 1,380,127.95, 2,070,274.59 and 433,498.64

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Solution

The fourth proportional to 1,380,127.95, 2,070,274.59 and 433,498.64 is: 650,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,127.95 : 2,070,274.59 = 433,498.64 : x
  2. Step 2: Convert to fraction form
    1,380,127.95/2,070,274.59 = 433,498.64/x
  3. Step 3: Cross multiply
    1,380,127.95x = 2,070,274.59 × 433,498.64
  4. Step 4: Simplify right side
    1,380,127.95x = 897,461,208,840.19
  5. Step 5: Solve for x
    x = 897,461,208,840.19/1,380,127.95
  6. Step 6: Final answer
    x = 650,273.92

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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.