Home / 1,140,631.86-1,574,148.12-657,228.30

Finding the Fourth Proportional to 1,140,631.86, 1,574,148.12 and 657,228.30

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Solution

The fourth proportional to 1,140,631.86, 1,574,148.12 and 657,228.30 is: 907,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,631.86 : 1,574,148.12 = 657,228.30 : x
  2. Step 2: Convert to fraction form
    1,140,631.86/1,574,148.12 = 657,228.30/x
  3. Step 3: Cross multiply
    1,140,631.86x = 1,574,148.12 × 657,228.30
  4. Step 4: Simplify right side
    1,140,631.86x = 1,034,574,692,855.80
  5. Step 5: Solve for x
    x = 1,034,574,692,855.80/1,140,631.86
  6. Step 6: Final answer
    x = 907,018.93

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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.