Home / 1,113,264.90-1,669,897.35-403,316.10

Finding the Fourth Proportional to 1,113,264.90, 1,669,897.35 and 403,316.10

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Solution

The fourth proportional to 1,113,264.90, 1,669,897.35 and 403,316.10 is: 604,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,264.90 : 1,669,897.35 = 403,316.10 : x
  2. Step 2: Convert to fraction form
    1,113,264.90/1,669,897.35 = 403,316.10/x
  3. Step 3: Cross multiply
    1,113,264.90x = 1,669,897.35 × 403,316.10
  4. Step 4: Simplify right side
    1,113,264.90x = 673,496,486,602.34
  5. Step 5: Solve for x
    x = 673,496,486,602.34/1,113,264.90
  6. Step 6: Final answer
    x = 604,974.15

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Double scale
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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.