Home / 1,359,459.60-1,876,197.60-778,729.08

Finding the Fourth Proportional to 1,359,459.60, 1,876,197.60 and 778,729.08

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Solution

The fourth proportional to 1,359,459.60, 1,876,197.60 and 778,729.08 is: 1,074,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,459.60 : 1,876,197.60 = 778,729.08 : x
  2. Step 2: Convert to fraction form
    1,359,459.60/1,876,197.60 = 778,729.08/x
  3. Step 3: Cross multiply
    1,359,459.60x = 1,876,197.60 × 778,729.08
  4. Step 4: Simplify right side
    1,359,459.60x = 1,461,049,630,946.21
  5. Step 5: Solve for x
    x = 1,461,049,630,946.21/1,359,459.60
  6. Step 6: Final answer
    x = 1,074,728.25

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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.