Home / 1,472,589.77-2,208,638.59-407,739.47

Finding the Fourth Proportional to 1,472,589.77, 2,208,638.59 and 407,739.47

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Solution

The fourth proportional to 1,472,589.77, 2,208,638.59 and 407,739.47 is: 611,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,589.77 : 2,208,638.59 = 407,739.47 : x
  2. Step 2: Convert to fraction form
    1,472,589.77/2,208,638.59 = 407,739.47/x
  3. Step 3: Cross multiply
    1,472,589.77x = 2,208,638.59 × 407,739.47
  4. Step 4: Simplify right side
    1,472,589.77x = 900,549,116,045.61
  5. Step 5: Solve for x
    x = 900,549,116,045.61/1,472,589.77
  6. Step 6: Final answer
    x = 611,541.07

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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.