Home / 1,220,435.10-1,830,324.60-510,316.20

Finding the Fourth Proportional to 1,220,435.10, 1,830,324.60 and 510,316.20

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Solution

The fourth proportional to 1,220,435.10, 1,830,324.60 and 510,316.20 is: 765,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,435.10 : 1,830,324.60 = 510,316.20 : x
  2. Step 2: Convert to fraction form
    1,220,435.10/1,830,324.60 = 510,316.20/x
  3. Step 3: Cross multiply
    1,220,435.10x = 1,830,324.60 × 510,316.20
  4. Step 4: Simplify right side
    1,220,435.10x = 934,044,294,638.52
  5. Step 5: Solve for x
    x = 934,044,294,638.52/1,220,435.10
  6. Step 6: Final answer
    x = 765,337.13

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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.