Home / 1,090,499.60-1,636,008.60-459,088.40

Finding the Fourth Proportional to 1,090,499.60, 1,636,008.60 and 459,088.40

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Solution

The fourth proportional to 1,090,499.60, 1,636,008.60 and 459,088.40 is: 688,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,499.60 : 1,636,008.60 = 459,088.40 : x
  2. Step 2: Convert to fraction form
    1,090,499.60/1,636,008.60 = 459,088.40/x
  3. Step 3: Cross multiply
    1,090,499.60x = 1,636,008.60 × 459,088.40
  4. Step 4: Simplify right side
    1,090,499.60x = 751,072,570,560.24
  5. Step 5: Solve for x
    x = 751,072,570,560.24/1,090,499.60
  6. Step 6: Final answer
    x = 688,741.72

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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.