Home / 1,688,660.80-2,330,281.92-924,701.20

Finding the Fourth Proportional to 1,688,660.80, 2,330,281.92 and 924,701.20

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Solution

The fourth proportional to 1,688,660.80, 2,330,281.92 and 924,701.20 is: 1,276,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,660.80 : 2,330,281.92 = 924,701.20 : x
  2. Step 2: Convert to fraction form
    1,688,660.80/2,330,281.92 = 924,701.20/x
  3. Step 3: Cross multiply
    1,688,660.80x = 2,330,281.92 × 924,701.20
  4. Step 4: Simplify right side
    1,688,660.80x = 2,154,814,487,762.30
  5. Step 5: Solve for x
    x = 2,154,814,487,762.30/1,688,660.80
  6. Step 6: Final answer
    x = 1,276,049.33

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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.