Home / 1,111,099.01-1,666,746.95-312,387.48

Finding the Fourth Proportional to 1,111,099.01, 1,666,746.95 and 312,387.48

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Solution

The fourth proportional to 1,111,099.01, 1,666,746.95 and 312,387.48 is: 468,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,099.01 : 1,666,746.95 = 312,387.48 : x
  2. Step 2: Convert to fraction form
    1,111,099.01/1,666,746.95 = 312,387.48/x
  3. Step 3: Cross multiply
    1,111,099.01x = 1,666,746.95 × 312,387.48
  4. Step 4: Simplify right side
    1,111,099.01x = 520,670,877,946.25
  5. Step 5: Solve for x
    x = 520,670,877,946.25/1,111,099.01
  6. Step 6: Final answer
    x = 468,608.90

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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.