Home / 1,089,045.80-1,630,458.30-977,071.40

Finding the Fourth Proportional to 1,089,045.80, 1,630,458.30 and 977,071.40

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Solution

The fourth proportional to 1,089,045.80, 1,630,458.30 and 977,071.40 is: 1,462,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,045.80 : 1,630,458.30 = 977,071.40 : x
  2. Step 2: Convert to fraction form
    1,089,045.80/1,630,458.30 = 977,071.40/x
  3. Step 3: Cross multiply
    1,089,045.80x = 1,630,458.30 × 977,071.40
  4. Step 4: Simplify right side
    1,089,045.80x = 1,593,074,173,822.62
  5. Step 5: Solve for x
    x = 1,593,074,173,822.62/1,089,045.80
  6. Step 6: Final answer
    x = 1,462,816.51

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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.