Home / 1,575,000.10-2,362,500.15-578,116.90

Finding the Fourth Proportional to 1,575,000.10, 2,362,500.15 and 578,116.90

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Solution

The fourth proportional to 1,575,000.10, 2,362,500.15 and 578,116.90 is: 867,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,000.10 : 2,362,500.15 = 578,116.90 : x
  2. Step 2: Convert to fraction form
    1,575,000.10/2,362,500.15 = 578,116.90/x
  3. Step 3: Cross multiply
    1,575,000.10x = 2,362,500.15 × 578,116.90
  4. Step 4: Simplify right side
    1,575,000.10x = 1,365,801,262,967.53
  5. Step 5: Solve for x
    x = 1,365,801,262,967.53/1,575,000.10
  6. Step 6: Final answer
    x = 867,175.35

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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.