Home / 1,315,050.30-1,972,575.45-473,492.70

Finding the Fourth Proportional to 1,315,050.30, 1,972,575.45 and 473,492.70

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Solution

The fourth proportional to 1,315,050.30, 1,972,575.45 and 473,492.70 is: 710,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,050.30 : 1,972,575.45 = 473,492.70 : x
  2. Step 2: Convert to fraction form
    1,315,050.30/1,972,575.45 = 473,492.70/x
  3. Step 3: Cross multiply
    1,315,050.30x = 1,972,575.45 × 473,492.70
  4. Step 4: Simplify right side
    1,315,050.30x = 934,000,075,774.22
  5. Step 5: Solve for x
    x = 934,000,075,774.22/1,315,050.30
  6. Step 6: Final answer
    x = 710,239.05

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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.