Home / 1,036,688.40-1,555,032.60-977,639.40

Finding the Fourth Proportional to 1,036,688.40, 1,555,032.60 and 977,639.40

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Solution

The fourth proportional to 1,036,688.40, 1,555,032.60 and 977,639.40 is: 1,466,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,688.40 : 1,555,032.60 = 977,639.40 : x
  2. Step 2: Convert to fraction form
    1,036,688.40/1,555,032.60 = 977,639.40/x
  3. Step 3: Cross multiply
    1,036,688.40x = 1,555,032.60 × 977,639.40
  4. Step 4: Simplify right side
    1,036,688.40x = 1,520,261,138,044.44
  5. Step 5: Solve for x
    x = 1,520,261,138,044.44/1,036,688.40
  6. Step 6: Final answer
    x = 1,466,459.10

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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.