Home / 1,001,766.29-1,502,981.58-666,128.08

Finding the Fourth Proportional to 1,001,766.29, 1,502,981.58 and 666,128.08

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Solution

The fourth proportional to 1,001,766.29, 1,502,981.58 and 666,128.08 is: 999,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,766.29 : 1,502,981.58 = 666,128.08 : x
  2. Step 2: Convert to fraction form
    1,001,766.29/1,502,981.58 = 666,128.08/x
  3. Step 3: Cross multiply
    1,001,766.29x = 1,502,981.58 × 666,128.08
  4. Step 4: Simplify right side
    1,001,766.29x = 1,001,178,230,563.34
  5. Step 5: Solve for x
    x = 1,001,178,230,563.34/1,001,766.29
  6. Step 6: Final answer
    x = 999,412.98

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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.