Home / 1,440,300.79-2,160,561.46-429,345.46

Finding the Fourth Proportional to 1,440,300.79, 2,160,561.46 and 429,345.46

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Solution

The fourth proportional to 1,440,300.79, 2,160,561.46 and 429,345.46 is: 644,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,300.79 : 2,160,561.46 = 429,345.46 : x
  2. Step 2: Convert to fraction form
    1,440,300.79/2,160,561.46 = 429,345.46/x
  3. Step 3: Cross multiply
    1,440,300.79x = 2,160,561.46 × 429,345.46
  4. Step 4: Simplify right side
    1,440,300.79x = 927,627,253,901.97
  5. Step 5: Solve for x
    x = 927,627,253,901.97/1,440,300.79
  6. Step 6: Final answer
    x = 644,051.06

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1.5x scale

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.