Home / 1,688,656.80-2,330,276.40-924,697.20

Finding the Fourth Proportional to 1,688,656.80, 2,330,276.40 and 924,697.20

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Solution

The fourth proportional to 1,688,656.80, 2,330,276.40 and 924,697.20 is: 1,276,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,656.80 : 2,330,276.40 = 924,697.20 : x
  2. Step 2: Convert to fraction form
    1,688,656.80/2,330,276.40 = 924,697.20/x
  3. Step 3: Cross multiply
    1,688,656.80x = 2,330,276.40 × 924,697.20
  4. Step 4: Simplify right side
    1,688,656.80x = 2,154,800,062,306.08
  5. Step 5: Solve for x
    x = 2,154,800,062,306.08/1,688,656.80
  6. Step 6: Final answer
    x = 1,276,043.81

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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.