Home / 977,055.21-1,456,918.45-911,904.48

Finding the Fourth Proportional to 977,055.21, 1,456,918.45 and 911,904.48

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Solution

The fourth proportional to 977,055.21, 1,456,918.45 and 911,904.48 is: 1,359,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,055.21 : 1,456,918.45 = 911,904.48 : x
  2. Step 2: Convert to fraction form
    977,055.21/1,456,918.45 = 911,904.48/x
  3. Step 3: Cross multiply
    977,055.21x = 1,456,918.45 × 911,904.48
  4. Step 4: Simplify right side
    977,055.21x = 1,328,570,459,269.89
  5. Step 5: Solve for x
    x = 1,328,570,459,269.89/977,055.21
  6. Step 6: Final answer
    x = 1,359,770.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.