Home / 916,457.60-1,374,686.40-902,460.80

Finding the Fourth Proportional to 916,457.60, 1,374,686.40 and 902,460.80

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Solution

The fourth proportional to 916,457.60, 1,374,686.40 and 902,460.80 is: 1,353,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,457.60 : 1,374,686.40 = 902,460.80 : x
  2. Step 2: Convert to fraction form
    916,457.60/1,374,686.40 = 902,460.80/x
  3. Step 3: Cross multiply
    916,457.60x = 1,374,686.40 × 902,460.80
  4. Step 4: Simplify right side
    916,457.60x = 1,240,600,588,293.12
  5. Step 5: Solve for x
    x = 1,240,600,588,293.12/916,457.60
  6. Step 6: Final answer
    x = 1,353,691.20

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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.