Home / 1,185,088.91-1,635,421.64-668,951.45

Finding the Fourth Proportional to 1,185,088.91, 1,635,421.64 and 668,951.45

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Solution

The fourth proportional to 1,185,088.91, 1,635,421.64 and 668,951.45 is: 923,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,088.91 : 1,635,421.64 = 668,951.45 : x
  2. Step 2: Convert to fraction form
    1,185,088.91/1,635,421.64 = 668,951.45/x
  3. Step 3: Cross multiply
    1,185,088.91x = 1,635,421.64 × 668,951.45
  4. Step 4: Simplify right side
    1,185,088.91x = 1,094,017,674,094.62
  5. Step 5: Solve for x
    x = 1,094,017,674,094.62/1,185,088.91
  6. Step 6: Final answer
    x = 923,152.40

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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.