Home / 1,440,411.55-1,985,459.20-975,118.68

Finding the Fourth Proportional to 1,440,411.55, 1,985,459.20 and 975,118.68

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Solution

The fourth proportional to 1,440,411.55, 1,985,459.20 and 975,118.68 is: 1,344,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,411.55 : 1,985,459.20 = 975,118.68 : x
  2. Step 2: Convert to fraction form
    1,440,411.55/1,985,459.20 = 975,118.68/x
  3. Step 3: Cross multiply
    1,440,411.55x = 1,985,459.20 × 975,118.68
  4. Step 4: Simplify right side
    1,440,411.55x = 1,936,058,351,860.06
  5. Step 5: Solve for x
    x = 1,936,058,351,860.06/1,440,411.55
  6. Step 6: Final answer
    x = 1,344,100.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.