Home / 1,090,500.10-1,636,009.35-459,088.90

Finding the Fourth Proportional to 1,090,500.10, 1,636,009.35 and 459,088.90

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Solution

The fourth proportional to 1,090,500.10, 1,636,009.35 and 459,088.90 is: 688,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,500.10 : 1,636,009.35 = 459,088.90 : x
  2. Step 2: Convert to fraction form
    1,090,500.10/1,636,009.35 = 459,088.90/x
  3. Step 3: Cross multiply
    1,090,500.10x = 1,636,009.35 × 459,088.90
  4. Step 4: Simplify right side
    1,090,500.10x = 751,073,732,881.22
  5. Step 5: Solve for x
    x = 751,073,732,881.22/1,090,500.10
  6. Step 6: Final answer
    x = 688,742.47

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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.