Home / 1,400,271.40-2,097,987.90-650,780.20

Finding the Fourth Proportional to 1,400,271.40, 2,097,987.90 and 650,780.20

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Solution

The fourth proportional to 1,400,271.40, 2,097,987.90 and 650,780.20 is: 975,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,271.40 : 2,097,987.90 = 650,780.20 : x
  2. Step 2: Convert to fraction form
    1,400,271.40/2,097,987.90 = 650,780.20/x
  3. Step 3: Cross multiply
    1,400,271.40x = 2,097,987.90 × 650,780.20
  4. Step 4: Simplify right side
    1,400,271.40x = 1,365,328,985,159.58
  5. Step 5: Solve for x
    x = 1,365,328,985,159.58/1,400,271.40
  6. Step 6: Final answer
    x = 975,045.97

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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.