Home / 977,783.40-1,466,675.10-938,417.40

Finding the Fourth Proportional to 977,783.40, 1,466,675.10 and 938,417.40

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Solution

The fourth proportional to 977,783.40, 1,466,675.10 and 938,417.40 is: 1,407,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,783.40 : 1,466,675.10 = 938,417.40 : x
  2. Step 2: Convert to fraction form
    977,783.40/1,466,675.10 = 938,417.40/x
  3. Step 3: Cross multiply
    977,783.40x = 1,466,675.10 × 938,417.40
  4. Step 4: Simplify right side
    977,783.40x = 1,376,353,433,986.74
  5. Step 5: Solve for x
    x = 1,376,353,433,986.74/977,783.40
  6. Step 6: Final answer
    x = 1,407,626.10

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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.