Home / 1,087,612.40-1,501,145-604,343.60

Finding the Fourth Proportional to 1,087,612.40, 1,501,145 and 604,343.60

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Solution

The fourth proportional to 1,087,612.40, 1,501,145 and 604,343.60 is: 834,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,612.40 : 1,501,145 = 604,343.60 : x
  2. Step 2: Convert to fraction form
    1,087,612.40/1,501,145 = 604,343.60/x
  3. Step 3: Cross multiply
    1,087,612.40x = 1,501,145 × 604,343.60
  4. Step 4: Simplify right side
    1,087,612.40x = 907,207,373,422
  5. Step 5: Solve for x
    x = 907,207,373,422/1,087,612.40
  6. Step 6: Final answer
    x = 834,127.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.