Home / 1,001,019.51-1,501,528.86-401,980.59

Finding the Fourth Proportional to 1,001,019.51, 1,501,528.86 and 401,980.59

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Solution

The fourth proportional to 1,001,019.51, 1,501,528.86 and 401,980.59 is: 602,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,019.51 : 1,501,528.86 = 401,980.59 : x
  2. Step 2: Convert to fraction form
    1,001,019.51/1,501,528.86 = 401,980.59/x
  3. Step 3: Cross multiply
    1,001,019.51x = 1,501,528.86 × 401,980.59
  4. Step 4: Simplify right side
    1,001,019.51x = 603,585,457,044.83
  5. Step 5: Solve for x
    x = 603,585,457,044.83/1,001,019.51
  6. Step 6: Final answer
    x = 602,970.72

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Double scale
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Similar ratio
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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.