Home / 1,574,038.60-2,360,474.70-509,115.40

Finding the Fourth Proportional to 1,574,038.60, 2,360,474.70 and 509,115.40

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Solution

The fourth proportional to 1,574,038.60, 2,360,474.70 and 509,115.40 is: 763,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,038.60 : 2,360,474.70 = 509,115.40 : x
  2. Step 2: Convert to fraction form
    1,574,038.60/2,360,474.70 = 509,115.40/x
  3. Step 3: Cross multiply
    1,574,038.60x = 2,360,474.70 × 509,115.40
  4. Step 4: Simplify right side
    1,574,038.60x = 1,201,754,021,080.38
  5. Step 5: Solve for x
    x = 1,201,754,021,080.38/1,574,038.60
  6. Step 6: Final answer
    x = 763,484.47

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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.