Home / 1,503,874-2,075,362.20-815,547.16

Finding the Fourth Proportional to 1,503,874, 2,075,362.20 and 815,547.16

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Solution

The fourth proportional to 1,503,874, 2,075,362.20 and 815,547.16 is: 1,125,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,874 : 2,075,362.20 = 815,547.16 : x
  2. Step 2: Convert to fraction form
    1,503,874/2,075,362.20 = 815,547.16/x
  3. Step 3: Cross multiply
    1,503,874x = 2,075,362.20 × 815,547.16
  4. Step 4: Simplify right side
    1,503,874x = 1,692,555,748,181.35
  5. Step 5: Solve for x
    x = 1,692,555,748,181.35/1,503,874
  6. Step 6: Final answer
    x = 1,125,463.80

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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.