Home / 1,020,348.36-1,531,113.96-514,948.86

Finding the Fourth Proportional to 1,020,348.36, 1,531,113.96 and 514,948.86

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Solution

The fourth proportional to 1,020,348.36, 1,531,113.96 and 514,948.86 is: 772,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,348.36 : 1,531,113.96 = 514,948.86 : x
  2. Step 2: Convert to fraction form
    1,020,348.36/1,531,113.96 = 514,948.86/x
  3. Step 3: Cross multiply
    1,020,348.36x = 1,531,113.96 × 514,948.86
  4. Step 4: Simplify right side
    1,020,348.36x = 788,445,388,232.09
  5. Step 5: Solve for x
    x = 788,445,388,232.09/1,020,348.36
  6. Step 6: Final answer
    x = 772,721.77

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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.