Home / 1,000,346.42-1,380,478.02-547,637.42

Finding the Fourth Proportional to 1,000,346.42, 1,380,478.02 and 547,637.42

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Solution

The fourth proportional to 1,000,346.42, 1,380,478.02 and 547,637.42 is: 755,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,346.42 : 1,380,478.02 = 547,637.42 : x
  2. Step 2: Convert to fraction form
    1,000,346.42/1,380,478.02 = 547,637.42/x
  3. Step 3: Cross multiply
    1,000,346.42x = 1,380,478.02 × 547,637.42
  4. Step 4: Simplify right side
    1,000,346.42x = 756,001,421,239.51
  5. Step 5: Solve for x
    x = 756,001,421,239.51/1,000,346.42
  6. Step 6: Final answer
    x = 755,739.62

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1.5x scale

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.