Home / 916,518.60-1,374,777.90-902,521.80

Finding the Fourth Proportional to 916,518.60, 1,374,777.90 and 902,521.80

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Solution

The fourth proportional to 916,518.60, 1,374,777.90 and 902,521.80 is: 1,353,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,518.60 : 1,374,777.90 = 902,521.80 : x
  2. Step 2: Convert to fraction form
    916,518.60/1,374,777.90 = 902,521.80/x
  3. Step 3: Cross multiply
    916,518.60x = 1,374,777.90 × 902,521.80
  4. Step 4: Simplify right side
    916,518.60x = 1,240,767,024,908.22
  5. Step 5: Solve for x
    x = 1,240,767,024,908.22/916,518.60
  6. Step 6: Final answer
    x = 1,353,782.70

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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.