Home / 1,045,434.02-1,567,728.90-405,400.76

Finding the Fourth Proportional to 1,045,434.02, 1,567,728.90 and 405,400.76

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Solution

The fourth proportional to 1,045,434.02, 1,567,728.90 and 405,400.76 is: 607,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,434.02 : 1,567,728.90 = 405,400.76 : x
  2. Step 2: Convert to fraction form
    1,045,434.02/1,567,728.90 = 405,400.76/x
  3. Step 3: Cross multiply
    1,045,434.02x = 1,567,728.90 × 405,400.76
  4. Step 4: Simplify right side
    1,045,434.02x = 635,558,487,533.96
  5. Step 5: Solve for x
    x = 635,558,487,533.96/1,045,434.02
  6. Step 6: Final answer
    x = 607,937.45

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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.