Home / 1,069,871.40-1,604,807.10-478,895.40

Finding the Fourth Proportional to 1,069,871.40, 1,604,807.10 and 478,895.40

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Solution

The fourth proportional to 1,069,871.40, 1,604,807.10 and 478,895.40 is: 718,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,871.40 : 1,604,807.10 = 478,895.40 : x
  2. Step 2: Convert to fraction form
    1,069,871.40/1,604,807.10 = 478,895.40/x
  3. Step 3: Cross multiply
    1,069,871.40x = 1,604,807.10 × 478,895.40
  4. Step 4: Simplify right side
    1,069,871.40x = 768,534,738,077.34
  5. Step 5: Solve for x
    x = 768,534,738,077.34/1,069,871.40
  6. Step 6: Final answer
    x = 718,343.10

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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.