Home / 1,576,547.40-2,365,166.70-511,408.20

Finding the Fourth Proportional to 1,576,547.40, 2,365,166.70 and 511,408.20

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Solution

The fourth proportional to 1,576,547.40, 2,365,166.70 and 511,408.20 is: 767,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,547.40 : 2,365,166.70 = 511,408.20 : x
  2. Step 2: Convert to fraction form
    1,576,547.40/2,365,166.70 = 511,408.20/x
  3. Step 3: Cross multiply
    1,576,547.40x = 2,365,166.70 × 511,408.20
  4. Step 4: Simplify right side
    1,576,547.40x = 1,209,565,644,746.94
  5. Step 5: Solve for x
    x = 1,209,565,644,746.94/1,576,547.40
  6. Step 6: Final answer
    x = 767,224.41

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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.