Home / 1,068,881.60-1,603,322.40-972,459.20

Finding the Fourth Proportional to 1,068,881.60, 1,603,322.40 and 972,459.20

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Solution

The fourth proportional to 1,068,881.60, 1,603,322.40 and 972,459.20 is: 1,458,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,881.60 : 1,603,322.40 = 972,459.20 : x
  2. Step 2: Convert to fraction form
    1,068,881.60/1,603,322.40 = 972,459.20/x
  3. Step 3: Cross multiply
    1,068,881.60x = 1,603,322.40 × 972,459.20
  4. Step 4: Simplify right side
    1,068,881.60x = 1,559,165,618,446.08
  5. Step 5: Solve for x
    x = 1,559,165,618,446.08/1,068,881.60
  6. Step 6: Final answer
    x = 1,458,688.80

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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.