Home / 991,054.20-1,486,581.30-975,307.80

Finding the Fourth Proportional to 991,054.20, 1,486,581.30 and 975,307.80

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Solution

The fourth proportional to 991,054.20, 1,486,581.30 and 975,307.80 is: 1,462,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,054.20 : 1,486,581.30 = 975,307.80 : x
  2. Step 2: Convert to fraction form
    991,054.20/1,486,581.30 = 975,307.80/x
  3. Step 3: Cross multiply
    991,054.20x = 1,486,581.30 × 975,307.80
  4. Step 4: Simplify right side
    991,054.20x = 1,449,874,337,224.14
  5. Step 5: Solve for x
    x = 1,449,874,337,224.14/991,054.20
  6. Step 6: Final answer
    x = 1,462,961.70

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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.