Home / 1,054,165.72-1,581,543.80-423,522.40

Finding the Fourth Proportional to 1,054,165.72, 1,581,543.80 and 423,522.40

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Solution

The fourth proportional to 1,054,165.72, 1,581,543.80 and 423,522.40 is: 635,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,165.72 : 1,581,543.80 = 423,522.40 : x
  2. Step 2: Convert to fraction form
    1,054,165.72/1,581,543.80 = 423,522.40/x
  3. Step 3: Cross multiply
    1,054,165.72x = 1,581,543.80 × 423,522.40
  4. Step 4: Simplify right side
    1,054,165.72x = 669,819,225,881.12
  5. Step 5: Solve for x
    x = 669,819,225,881.12/1,054,165.72
  6. Step 6: Final answer
    x = 635,402.21

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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.