Home / 1,065,643.80-1,602,402.30-892,433.40

Finding the Fourth Proportional to 1,065,643.80, 1,602,402.30 and 892,433.40

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Solution

The fourth proportional to 1,065,643.80, 1,602,402.30 and 892,433.40 is: 1,341,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,643.80 : 1,602,402.30 = 892,433.40 : x
  2. Step 2: Convert to fraction form
    1,065,643.80/1,602,402.30 = 892,433.40/x
  3. Step 3: Cross multiply
    1,065,643.80x = 1,602,402.30 × 892,433.40
  4. Step 4: Simplify right side
    1,065,643.80x = 1,430,037,332,756.82
  5. Step 5: Solve for x
    x = 1,430,037,332,756.82/1,065,643.80
  6. Step 6: Final answer
    x = 1,341,946.84

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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.