Home / 1,020,353.84-1,530,001.32-300,602.13

Finding the Fourth Proportional to 1,020,353.84, 1,530,001.32 and 300,602.13

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Solution

The fourth proportional to 1,020,353.84, 1,530,001.32 and 300,602.13 is: 450,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,353.84 : 1,530,001.32 = 300,602.13 : x
  2. Step 2: Convert to fraction form
    1,020,353.84/1,530,001.32 = 300,602.13/x
  3. Step 3: Cross multiply
    1,020,353.84x = 1,530,001.32 × 300,602.13
  4. Step 4: Simplify right side
    1,020,353.84x = 459,921,655,694.81
  5. Step 5: Solve for x
    x = 459,921,655,694.81/1,020,353.84
  6. Step 6: Final answer
    x = 450,747.22

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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.